CN2826425Y - Dynamite/drug/biochemical agent/industrial waste gas detecting drift tube - Google Patents

Dynamite/drug/biochemical agent/industrial waste gas detecting drift tube Download PDF

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Publication number
CN2826425Y
CN2826425Y CN 200520076311 CN200520076311U CN2826425Y CN 2826425 Y CN2826425 Y CN 2826425Y CN 200520076311 CN200520076311 CN 200520076311 CN 200520076311 U CN200520076311 U CN 200520076311U CN 2826425 Y CN2826425 Y CN 2826425Y
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CN
China
Prior art keywords
ionization
drift
drift tube
explosive
gas
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Expired - Fee Related
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CN 200520076311
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Chinese (zh)
Inventor
徐伟
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Nantong Junan Electronic Sci & Tech Development Co Ltd
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Nantong Junan Electronic Sci & Tech Development Co Ltd
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Priority to CN 200520076311 priority Critical patent/CN2826425Y/en
Application granted granted Critical
Publication of CN2826425Y publication Critical patent/CN2826425Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a dynamite/drug/biochemical agent/industrial waste gas detecting drift tube. The utility model is characterized in that the utility model is provided with a seal housing, wherein a heating layer is arranged in the seal housing; a pottery component barrel is arranged in the heating layer; the front end of the pottery component barrel is provided with an ionization zone; the ionization zone is connected with a gasification nozzle through a gas path and a gas sucking tube; a ventilated cap is arranged at the outer end of the gas path; the gas sucking tube is connected with a gas sucking pump; the back end of the pottery component barrel is an ion collecting zone which is connected with a chemical reaction chamber through a circulating pump, and an ionization drift zone is arranged between the ionization zone and the ion collecting zone. The utility model has the advantages that the drift tube structure with unidirectional gas flow carrying is adopted, so the system structure is simplified, and the device has a small size and is portable; a filtered ventilation rubber film cap is adopted, so the separation and the selection of target samples are realized, the drift gas in the drift tube can be sealed in a return way, the accuracy of the test result is not influenced because water vapor and other foreign gas in the environment air is prevented from entering the drift tube, and the difficulty of the result analysis is not increased because disturbed organization parts are reduced to enter the drift tube at the same time.

Description

Explosive/drugs/biochemical war agent/industrial gaseous waste detection drift tube
Technical field: the utility model relates to detection technique, is a new ion drift detection technique device of a kind of comprehensive employing physics, chemistry, computing machine and electronic technology, and specifically F is a kind of portable explosive/drug detecting instrument.
Background technology: along with China and international exchange enlarge day by day and come and go frequently increase, various criminals within and beyond the borders also constantly increase by the criminal activity that China carries out within the border, especially increasing of present international traffic in drugs and terrorist activity also makes the criminal activity of this respect significantly increase.In order to suppress the generation of traffic in drugs and the terrorist bombings activity, press for portable explosive/drug detecting instrument that increase can be convenient for carrying and check, no matter and be domestic or in the world, the detection equipment of this respect, the especially very welcome equipment that the quick check of all kinds of prohibited items is classified is all gone back very and is lacked.Demand developing explosive/drugs detection means of using on suitable portable explosive/drug detecting instrument urgently.
Summary of the invention:
The purpose of this utility model provides a kind of novel structure, and volume is little, and is in light weight, low in energy consumption, explosive/drugs/biochemical war agent/industrial gaseous waste detection drift tube that analysis time is fast.
Technology of the present utility model is: a kind of explosive/drugs/biochemical war agent/industrial gaseous waste detection drift tube, it is characterized in that: capsul is arranged, heating layer is arranged in the capsul, pottery element barrel is arranged in the heating layer, the pottery element barrel front end has the ionization district, the ionization district connects the gasification mouth through gas circuit, aspirating air pipe, ventilative cap is equipped with in the gas circuit outer end, aspirating air pipe is connected with asepwirator pump, the pottery element barrel rear end is the ion acquisition zone, the ion acquisition zone is connected with chemical reaction chamber through ebullator, is the ionization drift region between ionization district and ion acquisition zone.
Ionization district described in the utility model by ionization source fixedly pottery spare, ionization source fixedly overlap in the ionization source storage member overcoat in the pottery spare, the ionization source storage member in the ionization source storage member overcoat and form, ionization source storage member overcoat is connected with first conducting rod.The ion acquisition zone coils faraday's dish that fixedly pottery spare, faraday coil in the fixing pottery spare by the faraday in inner shield, the inner shield and constitutes, and faraday's dish is connected with second conducting rod.The conducting rod that a plurality of drift rings is arranged in the ionization drift region and be connected with each drift rings respectively, drift rings and conducting rod and its link directly embed in the groove of ionization drift region.In the front end of ionization drift region ion gate is housed; The cross screen pack is equipped with in the rear end in the ionization drift region.The ventilative cap that be equipped with the gas circuit outer end is the ventilative cap of rubber.In the gasification mouth well heater is housed.Heating layer is made of electro-heat equipment, insulation course and heat-insulation layer.Ionization is equipped with radioactive source in the district.
The beneficial effects of the utility model are: the novel structure uniqueness, adopt the drift tube structure of unidirectional carrier gas stream, big ambassador's system architecture is oversimplified, make device fabrication become miniature portable, this instrument adopts and filters breathable rubber film cap simultaneously, isolation and selection have been realized to target sample, realize the closed loop of drift gas in the drift tube, prevent that water vapor and other foreign gas in the environmental gas from entering drift tube, and influence the testing result accuracy, reduce simultaneously and disturb tissue part to enter in the drift tube and increase the interpretation of result difficulty.
Description of drawings:
The utility model is described in further detail below in conjunction with drawings and Examples:
Accompanying drawing is the structural representation of a kind of explosive/drugs of the present utility model/biochemical war agent/industrial gaseous waste detection drift tube.
Embodiment: accompanying drawing has been described an embodiment of the present utility model.In this embodiment, capsul 34 is arranged, heating layer 26 is arranged in the capsul 34, heating layer 26 is by temperature controller 24 controls, pottery element barrel 5 is arranged in the heating layer 26, pottery element barrel 5 front ends have the ionization district, the ionization district connects gasification mouth 1 through gas circuit (part 35 after by second film), aspirating air pipe 2, ventilative cap 37 is equipped with in gas circuit (by part 35 behind second film) outer end, aspirating air pipe 2 is connected with asepwirator pump 13, pottery element barrel 5 rear ends are the ion acquisition zone, and the ion acquisition zone is connected with chemical reaction chamber 14,15 through ebullator 17, are the ionization drift region between ionization district and ion acquisition zone.Described ionization district by ionization source fixedly pottery spare 27, ionization source fixedly in the ionization source storage member overcoat 28 in the pottery spare 27, the ionization source storage member in the ionization source storage member overcoat 28 cover 29 form, ionization source storage member overcoat 28 is connected with first conducting rod 6.The ion acquisition zone coils fixedly pottery spare 21, faraday by the faraday in the inner shield 20, inner shield 20 and coils fixedly pottery spare 21 interior faraday and coil 22 and constitute, and faraday is coiled 22 and is connected with second conducting rod 10.The conducting rod 8 that a plurality of drift rings 25 is arranged in the ionization drift region and be connected with each drift rings 25 respectively, drift rings 25 and conducting rod 8 directly embed in the groove of ionization drift region with its link.In the front end of ionization drift region ion gate 7 is housed; Cross screen pack 23 is equipped with in the rear end in the ionization drift region.The ventilative cap 37 that be equipped with gas circuit (by part 35 behind second film) outer end is the ventilative cap of rubber.In the gasification mouth 1 well heater is housed.Heating layer 26 is made of electro-heat equipment, insulation course and heat-insulation layer 33.Ionization is equipped with radioactive source in the district.Its whole gas is by 1 gasification of gasification mouth, air-breathing by asepwirator pump 13 by aspirating air pipe 2, see through ventilative cap 37 and enter the ionization district, again by valve 18 by ebullator 17 inhalation cycle, enter part 36 periodic duty repeatedly behind first cap by the bonding agents in the chemical reaction chamber 14,15.Also comprise among the figure: the first mould bases fixture 3, the second mould bases fixture 4, lead 9, external shield 11, gas outlet nut 12, tracheae 16, bonnet ceramic member 19, mould bases be parts such as ceramic member 30, hydraucone 31, insulation spacer 32 fixedly.The circuit signal system that temperature controller 21 grades and the utility model are complementary can be with reference to existing technology.Be not described in detail herein.
What the utility model adopted is new detection technique in the electronic technology field, its ultimate principle: at first make detected sample vapor gas ionization form ion, this ion produces drift and measures ion by the used time of electric field in a weak electric field then, and then calculates the mobility of ion used drift time according to ion.Sample molecule does not directly enter the migration area form ion in the ionization district after, but concentrates at the front portion of ion gate earlier, only when ion gate is opened, could enter the migration area synchronously and drift about.Ion gate is made up of two door grid, adds the voltage signal opposite with the ion drift direction on two door grid.Because this effect of electric field, ion can be bound between the grid, and this moment, ion gate was closed, and when voltage signal removes was, ion gate is opened, and ion enters in the migration area and produce drift motion under the effect of electric field force.
When ion drifts about in the migration area, the drift gas that blows from the migration tube afterbody, neutral gas molecule in the drift region bumps to slow down the accelerated motion of each ion with the sample molecule that enters the Disengagement zone, different ions has different cross-sectional areas, thereby cause variant ion to have different average drift velocities, and then each ion is separated in the drift process.The end of drift tube is the electric charge collector, in order to obtain ion signal, generally is a sheet metal dish.The ion that is collected by the sheet metal dish becomes electric current, through being amplified into signal processing system.

Claims (9)

1, a kind of explosive/drugs/biochemical war agent/industrial gaseous waste detection drift tube, it is characterized in that: capsul is arranged, heating layer is arranged in the capsul, pottery element barrel is arranged in the heating layer, the pottery element barrel front end has the ionization district, the ionization district connects the gasification mouth through gas circuit, aspirating air pipe, ventilative cap is equipped with in the gas circuit outer end, and aspirating air pipe is connected with asepwirator pump, and the pottery element barrel rear end is the ion acquisition zone, the ion acquisition zone is connected with chemical reaction chamber through ebullator, is the ionization drift region between ionization district and ion acquisition zone.
2, explosive/drugs according to claim 1/biochemical war agent/industrial gaseous waste detection drift tube, it is characterized in that: the ionization district by ionization source fixedly pottery spare, ionization source fixedly overlap in the ionization source storage member overcoat in the pottery spare, the ionization source storage member in the ionization source storage member overcoat and form, ionization source storage member overcoat is connected with first conducting rod.
3, explosive/drugs according to claim 1 and 2/biochemical war agent/industrial gaseous waste detection drift tube, it is characterized in that: the ion acquisition zone coils faraday's dish that fixedly pottery spare, faraday coil in the fixing pottery spare by the faraday in inner shield, the inner shield and constitutes, and faraday's dish is connected with second conducting rod.
4, explosive/drugs according to claim 1 and 2/biochemical war agent/industrial gaseous waste detection drift tube, it is characterized in that: the conducting rod that a plurality of drift rings is arranged in the ionization drift region and be connected with each drift rings respectively, drift rings and conducting rod and its link directly embed in the groove of ionization drift region.
5, explosive/drugs according to claim 4/biochemical war agent/industrial gaseous waste detection drift tube is characterized in that: in the front end of ionization drift region ion gate is housed; The cross screen pack is equipped with in the rear end in the ionization drift region.
6, explosive/drugs according to claim 1 and 2/biochemical war agent/industrial gaseous waste detection drift tube is characterized in that: the ventilative cap that be equipped with the gas circuit outer end is the ventilative cap of rubber.
7, explosive/drugs according to claim 1 and 2/biochemical war agent/industrial gaseous waste detection drift tube is characterized in that: in the gasification mouth well heater is housed.
8, according to claim 1 or 2 described explosive/drugs/biochemical war agent/industrial gaseous waste detection drift tube, it is characterized in that: heating layer is made of electro-heat equipment, insulation course and heat-insulation layer.
9, according to claim 1 or 2 described explosive/drugs/biochemical war agent/industrial gaseous waste detection drift tube, it is characterized in that: ionization is equipped with radioactive source in the district.
CN 200520076311 2005-10-09 2005-10-09 Dynamite/drug/biochemical agent/industrial waste gas detecting drift tube Expired - Fee Related CN2826425Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520076311 CN2826425Y (en) 2005-10-09 2005-10-09 Dynamite/drug/biochemical agent/industrial waste gas detecting drift tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520076311 CN2826425Y (en) 2005-10-09 2005-10-09 Dynamite/drug/biochemical agent/industrial waste gas detecting drift tube

Publications (1)

Publication Number Publication Date
CN2826425Y true CN2826425Y (en) 2006-10-11

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CN 200520076311 Expired - Fee Related CN2826425Y (en) 2005-10-09 2005-10-09 Dynamite/drug/biochemical agent/industrial waste gas detecting drift tube

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010006536A1 (en) * 2008-07-16 2010-01-21 同方威视技术股份有限公司 Ion mobility spectrometer
CN101949888A (en) * 2010-08-19 2011-01-19 君安南通电子科技发展有限公司 New drift bottle
CN101788529B (en) * 2010-01-27 2013-09-11 徐伟 Chemical warfare agent detector and method for detecting chemical warfare agent by using same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010006536A1 (en) * 2008-07-16 2010-01-21 同方威视技术股份有限公司 Ion mobility spectrometer
US8405024B2 (en) 2008-07-16 2013-03-26 Nuctech Company Limited Ion mobility spectrometer
CN101788529B (en) * 2010-01-27 2013-09-11 徐伟 Chemical warfare agent detector and method for detecting chemical warfare agent by using same
CN101949888A (en) * 2010-08-19 2011-01-19 君安南通电子科技发展有限公司 New drift bottle

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20061011

Termination date: 20131009