CN2927049Y - Gasified substance ion transferring rate qualitative analyzer - Google Patents

Abstract

The utility model discloses a gasification material ion mobility qualitative analysis device, which relates to a technology field of material analysis and detection, and comprises an inspiratory nose, a test paper slot, an LCD display screen, a key, and a handle; the utility model is characterized in that in the front inspiratory nose of the shell, a sampling suction inlet is connected with an inspiratory test paper double sampling test sample heating gasification room, the test paper slot for test paper sampling analysis is arranged behind the surface inspiratory nose of the shell, a wrapped soft film heater on a plurality of micro-electrode ion migration time determination tubes on the surface of the ion migration time determination tube comprises sandwiching a heat conduction aluminum film and a constantan heating circuit board between two layers of high-temperature polyimide insulation film, a thermal sensors small platinum resistance is fixed in the high-temperature insulation glue close to the high-temperature polyimide insulation film. The utility model has the advantages of novel design, simple and reasonable internal structure, full test analysis functions, and providing a plurality of ways to detect and to analyze sample materials such as explosives, drugs for public security, customs and other departments due to the small size.

Description

Gasification substance ion mobility qualitative analysis apparatus

Technical field

The utility model relates to species analysis Detection Techniques field, and a kind of specifically gasification substance is measured the material qualitative analysis apparatus of ion mobility spectrometry.

Background technology

The complex structure of existing gasification substance ion mobility analysis equipment is impracticable, its mounted inside is loaded down with trivial details, use dumb, the sample introduction analytic function is not comprehensive, will to employ huge support equipment not only time-consuming but also take a large amount of financial resources as arriving various Site Test Analysis, to being bonded at the molecule that needs to carry out test analysis in the slit, be difficult to especially analyze.

Goal of the invention

In order to overcome the defective that above-mentioned gasification substance ion mobility analysis technology exists, the utility model proposes a kind of new design proposal: gasification substance ion mobility qualitative analysis apparatus.Analytical equipment head front portion respectively design one can about the hot whirlwind of 180 degree rotations blow out air-breathing sample introduction head and wiping analysis test paper sample introduction insertion groove, the model selection of energy auto injection, before handle, establish button and LCDs and realize the one-handed performance detection, can easily use with comprising of multiple occasion the molecule exploration that is bonded in the slit is analyzed.

Summary of the invention

The utility model is achieved by the following technical solution, a kind of gasification substance ion mobility qualitative analysis apparatus, hand-held analytical instrument head front portion respectively design one can about the hot whirlwind of 180 degree rotations blow out air-breathing sample introduction head and wiping analysis test paper sample introduction insertion groove, the model selection of energy auto injection, before handle, establish button and LCDs, can easily use with comprising of multiple occasion the detection of realization one-handed performance is analyzed in the molecule exploration that is bonded in the slit, the sample introduction partial design of gasification substance ion mobility qualitative analysis apparatus is made into: the head forefront stretch out one can about the air-breathing nose of sample introduction of 180 degree rotations, establishing hot whirlwind around the sample introduction air entry blows out, make the heating swirling eddy that generation wraps under the air-breathing nose, suction inlet sucks these gases and particulate as sample; The test paper groove just is located at air-breathing nose back, can insert width less than 70 test paper sample introduction analysis, so one in front and one in back is provided with air-breathing in the head position and the analysis of test paper dual-use function sample introduction; This device differentiation automatically has or not test paper to insert and is by the test paper pattern analysis or with the work of analysis by absorption of gases pattern.The instrument handle is located at the back upper place of device case, and LCDs and operation push-button are set before the handle, is convenient to one hand and holds the handle finger manipulation, carries out detection analysis.Accumulator and power switch are in that to establish housing last, and also as counterweigh, suitable holding waved detection up and down.

This device has been installed the ion migration in indoor design and has been measured pipe, the transference tube that establish the unified migration of controllable heated sample vaporizer, analysis window, ionization chamber and do from front to back, receives, about support circuit, gas circuit are arranged on and bottom.Test product sample introduction to be analyzed promptly enters the heating and gasifying chamber, controllable heating-up temperature reaches 300 degree scalable, make the test product vaporization, enter the ionization chamber of back by window, Ni63 β ray by the ionization thimble inboard carries out ionization, the test product ion unification that generates enters the ion migration area of back at electric field force, move with distinctive mobility own under the effect of air-flow and diffusion motion, the transit time of measurement test product ion in certain distance and corresponding temperature and air pressure, just can calculate the ion mobility of test product, these drive test product carrier gas gas circuit that moves and the Circuits System plate that receives the measuring ion time-temperature and place around the transference tube; Ion migration is measured each microelectrode that links to each other with circuit board on the pipe shell and is designed at the small spring two ends stainless steel ball of respectively burn-oning, the outside puts pottery or plastic tube, one end withstands on the ionic tube internal electrode film, the other end adds pressure cap with the high-temperature insulation copper wire and presses, and High Temperature High Pressure is electrically contacted reliably; Wrapping in ion migration measures pipe and goes up that electric heating constantan wiring thin film that the constant temperature flexible film well heater of heating usefulness scribes with corrosion adds two strata imide membranes insulation up and down and the heat-transfer area aluminium foil is spared warm, and stick miniature platinum resistance as thermal sensor with heat-resistant adhesive, select electric heating constantan wiring thin film thickness and width according to the electric thermal power needs, realize controlled heated at constant temperature.Also have a computing machine plate to store the mobility of various known substances ions on the migration tube edge, compare with the test product ion mobility that each measurement calculates, if what have unanimity just shows to have the sort of material in the test product, thus the function of the qualitative analysis that realization the utlity model has.

The utility model has the advantages that modern design, inner structure advantages of simple, make device feature compact more, test analysis is multiple functional, because volume is little, the departments such as public security, customs that can be provide sample material such as ion mobility spectrometry explosive detection multiple mode, multiple occasion sample introduction, that one-handed performance is used, drugs to carry out express-analysis.

Description of drawings

Accompanying drawing 1 is an external structure of the present utility model.

Accompanying drawing 2 is an internal structure synoptic diagram of the present utility model.

Accompanying drawing 3 is an electrode structure synoptic diagram of the present utility model.

Accompanying drawing 4 is a soft heater configuration synoptic diagram of the present utility model.

1. air-breathing noses wherein, 2. test paper slot, 3.LCD display screen, 4. button, 5. handle, 6. housing, 7. air entry, 8. heating and gasifying chamber, 9. window ionization chamber, 10. the ion transit time is measured pipe, 11. circuit gas path plates, 12. accumulators, 13. microelectrode, 14. flexible film well heaters, 15. battery lead plates, 16. stainless shot, 17. little springs, 18. potteries or teflon sleeve, 19. pad, 20. the high-temperature insulation lead, 21. heat conduction aluminium films, 22. high temperature polyimide dielectric films, 23. constantan heating line plate, 24. small-sized platinum resistance, 25. high-temperature insulating glues, 26. high temperature polyimide dielectric films.

Embodiment

Provide preferred embodiment of the present utility model below in conjunction with accompanying drawing, and further describe the technical solution of the utility model.

As shown in Figure 1, a kind of gasification substance ion drift species analysis device is by air-breathing nose (1), test paper slot (2), LCD display (3), button (4), handle (5), housing (6), air entry (7), heating and gasifying chamber (8), test product ionization chamber (9), the ion transit time is measured pipe (10), circuit gas path plate (11), accumulator (12), microelectrode (13), flexible film well heater compositions such as (14).The air-breathing nose (1) that hot whirlwind blows out around sample introduction suction inlet is located at this device case (6) foremost, behind the air-breathing nose in the top layer of housing (6) (1), the test paper slot (2) that has a test paper sample introduction to analyze, the operation push-button of one group of control analysis (4) is located at the centre of LED display (3) and instrument handle (5).As shown in Figure 2, one sample introduction air entry (7) is arranged in the air-breathing nose of front end (1) of a kind of gasification substance ion drift species analysis device case (6), connect suction test paper dual sample introduction test product heating and gasifying chamber (8), what be right after is to analyze β ray Ni63 test product ionization chamber (9), the unified ion transit time of measuring transit time that moves is measured pipe (10) after generating the test product ion, measure two of pipe (10) at the ion transit time and be sidelong circuits gas path plate (11), be located at is that accumulator is as system's direct supply (12) at last, there are several microelectrodes (13) on the surface of measuring pipe (10) at the ion transit time, each voltage that the ion transit time is measured pipe (10) is provided by circuit board (11), the appearance bread of ion transit time mensuration pipe (10) flexible film well heater (14) and is carried out the constant high temperature heating.As shown in Figure 3, the ion transit time of a kind of gasification substance ion drift species analysis device inside is measured pipe (10) and is upward used a plurality of elastic miniatured electrodes (13) to be made up of following part: battery lead plate (15), adopt stainless shot (16) as thimble, in the middle of two stainless shots (16), connect with stainless steel little spring (17), outside stainless shot (16) and little spring (17), put the pottery or the teflon sleeve (18) of insulation, adopt welding method at the middle pad (19) that produces of stainless shot (16) and stainless steel little spring (17), withstand internal electrical pole plate (15), the elastic electrode other end presses high-temperature insulation lead (20).As shown in Figure 4, the ion transit time of a kind of gasification substance ion drift species analysis device inside is measured the flexible film well heater (14) that is wrapping on the pipe (10) and is made up of following part: with the heat conduction aluminium film (21) that is heated device contacts, the high temperature polyimide dielectric film (22) of insulation heating constantan line layer, the constantan heating line plate holder (23) that the corrosion as requested of energising back heating obtains is in the middle of two floor height temperature polyimide insulative films (22), the small-sized platinum resistance of thermal sensor (24) is fixed on high-temperature insulating glue (25) lining, is close on the high temperature polyimide dielectric film (22).

Claims (1)

1. gasification substance ion mobility qualitative analysis apparatus, comprise air-breathing nose (1), test paper slot (2), LCD display (3), button (4), handle (5), it is characterized in that: have a sample introduction air entry (7) to connect suction test paper dual sample introduction test product heating and gasifying chamber (8) in the air-breathing nose of front end (1) of housing (6), the test paper slot (2) that has a test paper sample introduction to analyze behind the air-breathing nose in top layer (1) of housing (6), there are several microelectrodes (13) on the surface of measuring pipe (10) at the ion transit time, microelectrode (13) is by battery lead plate (15), adopt stainless shot (16) as thimble, in the middle of two stainless shots (16), connect with stainless steel little spring (17), outside stainless shot (16) and little spring (17), put the pottery or the teflon sleeve (18) of insulation, the flexible film well heater (14) that is wrapping on the ion transit time mensuration pipe (10) is by heat conduction aluminium film (21), constantan heating line plate holder (23) is in the middle of two floor height temperature polyimide insulative films (22), the small-sized platinum resistance of thermal sensor (24) is fixed on high-temperature insulating glue (25) lining, is close on the high temperature polyimide dielectric film (22).

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