CN101949889B - Drug explosive ion mobility spectrum detection device - Google Patents
Drug explosive ion mobility spectrum detection device Download PDFInfo
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- CN101949889B CN101949889B CN201010249508A CN201010249508A CN101949889B CN 101949889 B CN101949889 B CN 101949889B CN 201010249508 A CN201010249508 A CN 201010249508A CN 201010249508 A CN201010249508 A CN 201010249508A CN 101949889 B CN101949889 B CN 101949889B
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Abstract
The invention discloses a drug explosive ion mobility spectrum detection device, which comprises a device body. The front end of the device body is provided with a sample injector, the rear end of the sample injector is connected with an ion mobility spectrum measuring tube, the ion mobility spectrum measuring tube is connected with a positive and negative electric field high-voltage device, the output end of the ion mobility spectrum measuring tube is connected with a processing device, a power supply device is also arranged in the device body, a positive ion ionization mobility test cavity and a negative ion ionization mobility test cavity are formed in the ion mobility spectrum measuring tube, the front ends of the positive ion ionization mobility test cavity and the negative ion ionization mobility test cavity are connected with the rear end of the sample injector through a Y-shaped throat tube, and the surface of the device body is provided with a sample injection port. The device overcomes the defects of the conventional ion mobility spectrum detection technology, achieves simultaneous test of drug explosives corresponding to positive and negative ions, has complete test and sample injection analysis functions, and can provide multifunctional ion mobility spectrum detection equipment for quickly detecting trace drug explosives for departments such as public security, customs and the like.
Description
Technical field
The present invention relates to a kind of investigation device of drugs explosive, the drugs explosive ion mobility spectrometry investigation device of drugs explosive is surveyed and analyzed simultaneously to particularly a kind of various article of species analysis technical field.
Background technology
Because drugs and explosive molecule can produce positive ion and negative ion respectively under the effect of ionization source; The two direction of motion is opposite in same electric field; Just require in the migration electric field of two different directions, to measure mobility in order to survey drugs and explosive simultaneously, therefore most ion mobility spectrometry testing apparatus intelligence separate analysis drugs or separate analysis explosive.
Except ion mobility spectrometry drugs/explosive detection equipment of only analyzing drugs or explosive, the ion mobility spectrometry Detection Techniques that some drugs and explosive can both detect have been had at present; But; Existing these technology are difficult to real-time continuous and analyze drugs and explosive; Because they one type be through the time handoff technique with being respectively that the drugs of positive ion and the explosive of negative ion are surveyed on an instrument, the electric field that applies different directions in the different time sections of same transference tube is realized the mensuration of positive and negative ion mobility, but can not real-time continuous analyze drugs and explosive; The phase mutual interference is bigger, adds reactant and proofreaies and correct the thing difficulty.
Also has one type of drift tube with DMS measured ion mass-to-charge ratio; Can in the electric field of upset fast, add the drift characteristic that different bias voltages are surveyed negative ions; But mechanism has not been to survey the ion mobility spectrometry characteristic of material, and can not survey the more drugs and the explosive of multiclass owing to can not arrange too much bias voltage in the one-period.
In sum, to the above-mentioned defective of existing existence, need a kind of drugs explosive ion mobility spectrometry investigation device especially, with the problem of mentioning more than solving.
Summary of the invention
The object of the present invention is to provide a kind of drugs explosive ion mobility spectrometry investigation device, overcome the defective that above-mentioned ion mobility spectrometry Detection Techniques exist, realization drugs and explosive are investigated simultaneously.
The technical matters that the present invention solved can adopt following technical scheme to realize:
A kind of drugs explosive ion mobility spectrometry investigation device; It is characterized in that; Comprise device body; The front end of said device body is provided with injector; The rear end of said injector is connected with ion mobility spectrometry and measures pipe; Said ion mobility spectrometry is measured on the pipe and is connected with positive negative electric field high-tension unit, and the output terminal that said ion mobility spectrometry is measured pipe is connected with the treating apparatus that is used to calculate the sample ion mobility, and the supply unit of promising whole device power supply also is set in the said device body; Said ion mobility spectrometry measure be provided with in the pipe positive ion electrospray that is used to measure positive ion ion transit time from migration test cavity and the negative ion electrospray that is used to measure negative ion ion transit time from migration test cavity; Said positive negative electric field high-tension unit produces positive high voltage and is added in positive ion electrospray generation positive transfer electric field on migration test cavity, and said positive negative electric field high-tension unit produces negative high voltage and is added in negative ion electrospray generation negative transfer electric field on migration test cavity, and said positive ion electrospray is connected with the rear end of said injector through Y type trunnion from the front end that moves the test cavity with negative ion electrospray from migration test cavity; Said device body surface is provided with an injection port, said injection port and said injector UNICOM.
In one embodiment of the invention, the output terminal of said ion mobility spectrometry mensuration pipe is connected with said treating apparatus through the high impedance amplifier of an ion flow.
In one embodiment of the invention, also be provided with the attention display that carries out sound and light alarm and video data in the said device body.
In one embodiment of the invention, also be provided with the gas circuit of the stable field of pressure that carrier gas and migration are provided in the said device body.
In one embodiment of the invention, said injection port is that a slit is like flat injection port.
In one embodiment of the invention; Said injector comprises sample vaporizer, zone of heating and the heat-insulation layer that is used to place sample; Said zone of heating is arranged on the outside of said sample vaporizer; Said heat-insulation layer is arranged on the outside of said zone of heating, and the rear end of said sample vaporizer connects the bottom of Y type trunnion, and two tops of said Y type trunnion are connected respectively to the ionization import of said injector rear end; And the positive ion electrospray of measuring pipe through ionization import and said ion mobility spectrometry tests cavity with negative ion electrospray from migration from migration test cavity and is connected, and is respectively arranged with in the said ionization import and connects the pump gas port.
Further, the arranged outside of said Y type trunnion has high temperature trunnion well heater, and keeping the interior sample of trunnion is gaseous state.
In one embodiment of the invention; Said ion mobility spectrometry is measured pipe and is comprised the mensuration body; Be arranged with in parallel in the said mensuration body and have positive ion electrospray from moving the first migration cylindrical shell of testing cavity and having negative ion electrospray from moving the second migration cylindrical shell of testing cavity; The said mensuration body outside sets gradually having heaters and heat-insulation layer; The said first migration cylindrical shell is provided with first ionization chamber, and said first ionization chamber is connected from migration test cavity with positive ion electrospray through the first electromotive force door, and said positive ion electrospray is connected with first output interface from the rear end of migration test cavity through ion acceptor; The said second migration cylindrical shell is provided with second ionization chamber, and said second ionization chamber is connected from migration test cavity with negative ion electrospray through the second electromotive force door, and said negative ion electrospray is connected with second output interface from the rear end of migration test cavity through ion acceptor; Said first output interface is connected with said treating apparatus with second output interface.
In one embodiment of the invention; Said treating apparatus is that the mobility of a pair of two-way ion is calculated the computing machine of comparing with sample library; And said ion mobility spectrometry is measured the negative ions test of managing control and calculate, investigate out with consistent drugs or the explosive of sample library migration spectrum and report to the police through attention display.
Drugs explosive ion mobility spectrometry investigation device of the present invention; Overcome the defective that existing ion mobility spectrometry Detection Techniques exist, novel in design, complete function are through the reasonable in internal structure composite design; Reached the corresponding drugs explosive of negative ions has been tested simultaneously; Test sample introduction analytic function is complete, and the departments such as public security, customs that can be provide the investigation equipment of multi-functional ion mobility spectrometry quick detection trace drugs explosive, realize the object of the invention.
Drugs explosive ion mobility spectrometry investigation device of the present invention,, realize the object of the invention.
Characteristics of the present invention can consult this case graphic and below better embodiment detailed description and obtain to be well understood to.
Description of drawings
Fig. 1 is the cut-away view of drugs explosive ion mobility spectrometry investigation device of the present invention;
Fig. 2 is the structural representation of injector of the present invention;
Fig. 3 is the structural representation that ion mobility spectrometry of the present invention is measured pipe.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Figure 1; Drugs explosive ion mobility spectrometry investigation device of the present invention; Comprise device body 100; The front end of device body 100 is provided with injector 200; The rear end of injector 200 is connected with ion mobility spectrometry and measures pipe 300, and ion mobility spectrometry is measured on the pipe 300 and is connected with positive negative electric field high-tension unit 400, and the output terminal that ion mobility spectrometry is measured pipe 300 is connected with treating apparatus 600 through the high impedance amplifier 500 of an ion flow; Treating apparatus 600 is used to calculate the ion mobility of sample, also be provided with in the device body 100 the stable field of pressure that carrier gas and migration are provided gas circuit 700, carry out the attention display 800 of sound and light alarm and video data and be the supply unit 900 of whole device power supply.
In the present embodiment; Treating apparatus 600 calculates the computing machine of comparing with sample library for the mobility of a pair of two-way ion; And the negative ions test that ion mobility spectrometry is measured pipe 300 controlled and calculate, investigate out with consistent drugs or the explosive of sample library migration spectrum and report to the police through attention display 800.
As shown in Figure 2; Injector 200 comprises sample vaporizer 210, zone of heating 220 and the heat-insulation layer 230 that is used to place sample; Zone of heating 220 is arranged on the outside of sample vaporizer 210; Heat-insulation layer 230 is arranged on the outside of zone of heating 220, and the rear end of sample vaporizer 210 connects the bottom of Y type trunnion 240, and two tops of Y type trunnion 240 are connected respectively to the ionization import 250 of injector 200 rear ends; And measure pipe 300 through ionization import 250 and ion mobility spectrometry and be connected, be respectively arranged with in the ionization import 250 and connect pump gas port 260; The arranged outside of Y type trunnion 240 has high temperature trunnion well heater 270, and keeping the interior sample of trunnion is gaseous state.
As shown in Figure 3; Ion mobility spectrometry is measured pipe 300 and is comprised mensuration body 310; Measure be provided with in the body 310 positive ion electrospray that is used to measure positive ion ion transit time from migration test cavity 320 and the negative ion electrospray that is used to measure negative ion ion transit time from migration test cavity 330; Positive negative electric field high-tension unit 400 generation positive high voltages are added in positive ion electrospray and on migration test cavity 320, produce the positive transfer electric field, and just negative electric field high-tension unit 400 produces negative high voltages and is added in negative ion electrospray generation negative transfer electric field on migration test cavity 330; Be arranged with in parallel in the mensuration body 310 and have positive ion electrospray from moving the first migration cylindrical shell 311 of testing cavity 320 and having negative ion electrospray from moving the second migration cylindrical shell 312 of testing cavity 330; Measure body 310 outsides and set gradually having heaters 340 and heat-insulation layer 350; The first migration cylindrical shell 311 is provided with first ionization chamber 360; First ionization chamber 360 is connected from migration test cavity 320 with positive ion electrospray through the first electromotive force door 370, and positive ion electrospray is connected with first output interface 314 from the rear end of migration test cavity 320 through ion acceptor 313; The second migration cylindrical shell 312 is provided with second ionization chamber 380; Second ionization chamber 380 is connected from migration test cavity 330 with negative ion electrospray through the second electromotive force door 390, and negative ion electrospray is connected with second output interface 316 from the rear end of migration test cavity 330 through ion acceptor 315; First output interface 314 is connected with treating apparatus 600 with second output interface 316.
The positive ion electrospray that injector 200 and ion mobility spectrometry are measured pipe 300 from migration test cavity 320 and negative ion electrospray between migration test cavity 330 through Y type trunnion 240 be connected; Various drugs and explosive sample entering injector 200 are sent into positive ion electrospray respectively through Y type trunnion 240 and are left migration test cavity 330 from migration test cavity 320 and negative ion electrospray, measure the ion transit time of drugs positive ion or explosive negative ion simultaneously.
During use; Sample sucks sample gas after injectors 200 gasifications through injection port 110 and gets into positive ion electrospray that ion mobility spectrometry measures pipe 300 respectively from migration test cavity 320 and negative ion electrospray measured ion mobility in migration test cavity 330; Positive negative electric field high-tension unit 400 positive and negative two road electric field high pressure of output and two groups of electric field enabling nulses; Be added in positive ion electrospray from migration test cavity 320 and the sample ions of negative ion electrospray after migration test cavity 330 makes ionization through moment enabling nulse be able to get into the time that measured ion is reached home in the positive negative transfer electric field; Gas circuit 700 provides the stable field of pressure of carrier gas and migration; The quasi-molecular ions signal of representing transit time is amplified by the high impedance amplifier 500 of ion flow to be delivered to treating apparatus 600 and calculates the sample ion migration rate; Again with instrument in sample mobility database contrast consistance, consistent with which kind of drugs or explosive sample data then by attention display 800 sound and light alarms and video data, the power supply of the system of supply unit 900 generators.
Measure the inside of pipe 300 at ion mobility spectrometry; Suck or insert the sample vaporizer 210 in the injector 200 through analysis test paper 120 wiping article or to the air-breathing sample that obtains of article; The pump gas port 260 that connects of injector 200 makes negative pressure in the sample vaporizer 210 through air pump generation carrier gas; Because zone of heating 220 makes sample vaporizer 210 high-temperature gasification samples with heat-insulation layer 230; Under the carrier gas effect, make sample air pass through Y type trunnion 240 and get into ionization import 250 to first ionization chambers 360 and 380 ionization of second ionization chamber that ion mobility spectrometry is measured pipe 300; It is gaseous state that well heater 340 keeps the interior sample of trunnion; The ionization ion the first electromotive force door 370 and the effect of the second electromotive force door 390 down pulse open the door moment get into positive ion electrospray from migration test cavity 320 and negative ion electrospray from migration test cavity 330 measured ion migration rates, ion acceptor 313 and ion acceptor 315 receive the migration ions and export treating apparatus 600 calculating ion migration rates to by first output interface 314 and second output interface 316 and judge whether contraband goods.
Positive ion electrospray needs two groups of mensuration bodys 310 to be enclosed within the first migration cylindrical shell 311 and the second migration cylindrical shell, the 312 outer electromagnetic screens that carry out from migration test cavity 320 and negative ion electrospray from migration test cavity 330; Well heater 340 keeps ion migration test chamber constant high temperature with heat-insulation layer 350, satisfies the external condition of internal migration district ion mobility test.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the instructions just explains principle of the present invention, and under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications; These variations and improvement all fall in the scope of the invention that requires protection, and the present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (8)
1. a drugs explosive ion mobility spectrometry is investigated device; It is characterized in that; Comprise device body; The front end of said device body is provided with injector; The rear end of said injector is connected with ion mobility spectrometry and measures pipe; Said ion mobility spectrometry is measured on the pipe and is connected with positive negative electric field high-tension unit, and the output terminal that said ion mobility spectrometry is measured pipe is connected with the treating apparatus that is used to calculate the sample ion mobility, and the supply unit of promising whole device power supply also is set in the said device body; Said ion mobility spectrometry measure be provided with in the pipe positive ion electrospray that is used to measure positive ion ion transit time from migration test cavity and the negative ion electrospray that is used to measure negative ion ion transit time from migration test cavity; Said positive negative electric field high-tension unit produces positive high voltage and is added in positive ion electrospray generation positive transfer electric field on migration test cavity, and said positive negative electric field high-tension unit produces negative high voltage and is added in negative ion electrospray generation negative transfer electric field on migration test cavity, and said positive ion electrospray is connected with the rear end of said injector through Y type trunnion from the front end that moves the test cavity with negative ion electrospray from migration test cavity; Said device body surface is provided with an injection port, said injection port and said injector UNICOM;
Said injector comprises sample vaporizer, zone of heating and the heat-insulation layer that is used to place sample; Said zone of heating is arranged on the outside of said sample vaporizer; Said heat-insulation layer is arranged on the outside of said zone of heating; The rear end of said sample vaporizer connects the bottom of Y type trunnion; Two tops of said Y type trunnion are connected respectively to the ionization import of said injector rear end, and the positive ion electrospray of measuring pipe through ionization import and said ion mobility spectrometry tests cavity with negative ion electrospray from migration from migration test cavity and be connected, and are respectively arranged with in the said ionization import and connect the pump gas port.
2. drugs explosive ion mobility spectrometry investigation device as claimed in claim 1 is characterized in that the output terminal that said ion mobility spectrometry is measured pipe is connected with said treating apparatus through the high impedance amplifier of an ion flow.
3. drugs explosive ion mobility spectrometry investigation device as claimed in claim 1 is characterized in that, also is provided with the attention display that carries out sound and light alarm and video data in the said device body.
4. drugs explosive ion mobility spectrometry investigation device as claimed in claim 1 is characterized in that, also is provided with the gas circuit of the stable field of pressure that carrier gas and migration are provided in the said device body.
5. drugs explosive ion mobility spectrometry investigation device as claimed in claim 1 is characterized in that said injection port is that a slit is like flat injection port.
6. drugs explosive ion mobility spectrometry investigation device as claimed in claim 1 is characterized in that the arranged outside of said Y type trunnion has high temperature trunnion well heater, and keeping the interior sample of trunnion is gaseous state.
7. drugs explosive ion mobility spectrometry investigation device as claimed in claim 1; It is characterized in that; Said ion mobility spectrometry is measured pipe and is comprised the mensuration body; Be arranged with in parallel in the said mensuration body have positive ion electrospray from the first migration cylindrical shell of migration test cavity with have the second migration cylindrical shell of negative ion electrospray from migration test cavity, the said mensuration body outside sets gradually having heaters and heat-insulation layer, the said first migration cylindrical shell is provided with first ionization chamber; Said first ionization chamber is connected from migration test cavity with positive ion electrospray through the first electromotive force door, and said positive ion electrospray is connected with first output interface from the rear end of migration test cavity through ion acceptor; The said second migration cylindrical shell is provided with second ionization chamber, and said second ionization chamber is connected from migration test cavity with negative ion electrospray through the second electromotive force door, and said negative ion electrospray is connected with second output interface from the rear end of migration test cavity through ion acceptor; Said first output interface is connected with said treating apparatus with second output interface.
8. drugs explosive ion mobility spectrometry investigation device as claimed in claim 1; It is characterized in that; Said treating apparatus is that the mobility of a pair of two-way ion is calculated the computing machine of comparing with sample library; And said ion mobility spectrometry is measured the negative ions test of managing control and calculate, investigate out with consistent drugs or the explosive of sample library migration spectrum and report to the police through attention display.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010249508A CN101949889B (en) | 2010-08-10 | 2010-08-10 | Drug explosive ion mobility spectrum detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010249508A CN101949889B (en) | 2010-08-10 | 2010-08-10 | Drug explosive ion mobility spectrum detection device |
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| CN101949889A CN101949889A (en) | 2011-01-19 |
| CN101949889B true CN101949889B (en) | 2012-10-17 |
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| CN201010249508A Expired - Fee Related CN101949889B (en) | 2010-08-10 | 2010-08-10 | Drug explosive ion mobility spectrum detection device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103779169B (en) * | 2012-10-17 | 2016-01-06 | 中国科学院大连化学物理研究所 | A kind of surface discharge ionization source-without ion gate transference tube |
| JP6710108B2 (en) * | 2016-06-14 | 2020-06-17 | 株式会社日立製作所 | Chemicals for testing dangerous goods detection equipment, dangerous goods detection equipment and dangerous goods detection method |
| CN111208189A (en) * | 2018-11-21 | 2020-05-29 | 中国科学院大连化学物理研究所 | Method for measuring explosives and drugs by fast switching ion mobility spectrometry of positive ions and negative ions |
| CN111076777B (en) * | 2019-12-31 | 2021-07-23 | 乌鲁木齐海关技术中心 | Biochemical intelligent screening, checking and disposing system for customs nuclei |
Citations (4)
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| CN101339160A (en) * | 2008-08-15 | 2009-01-07 | 中国科学院安徽光学精密机械研究所 | Plasma source ion synergic checking ion transfer spectrometer |
| CN101413919A (en) * | 2007-08-01 | 2009-04-22 | 中国科学院大连化学物理研究所 | Method for recognizing and analyzing sample and ion transfer spectrometer |
| CN101752177A (en) * | 2008-12-17 | 2010-06-23 | 中国科学院大连化学物理研究所 | Combined type high-field asymmetric waveform ion mobility tube |
| CN101752178A (en) * | 2008-12-17 | 2010-06-23 | 中国科学院大连化学物理研究所 | Cylindrical non-symmetric field ion migration tube |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102318035B (en) * | 2007-07-30 | 2015-03-11 | 粒子监测系统有限公司 | Detection of analytes using ion mobility spectrometry |
| US20100046528A1 (en) * | 2008-08-21 | 2010-02-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Intelligent IMS Gateway for Legacy DSLAMs |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101413919A (en) * | 2007-08-01 | 2009-04-22 | 中国科学院大连化学物理研究所 | Method for recognizing and analyzing sample and ion transfer spectrometer |
| CN101339160A (en) * | 2008-08-15 | 2009-01-07 | 中国科学院安徽光学精密机械研究所 | Plasma source ion synergic checking ion transfer spectrometer |
| CN101752177A (en) * | 2008-12-17 | 2010-06-23 | 中国科学院大连化学物理研究所 | Combined type high-field asymmetric waveform ion mobility tube |
| CN101752178A (en) * | 2008-12-17 | 2010-06-23 | 中国科学院大连化学物理研究所 | Cylindrical non-symmetric field ion migration tube |
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