CN102829992A - Highly toxic substance heating sample injector combined with alarm - Google Patents

Highly toxic substance heating sample injector combined with alarm Download PDF

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Publication number
CN102829992A
CN102829992A CN2012103014929A CN201210301492A CN102829992A CN 102829992 A CN102829992 A CN 102829992A CN 2012103014929 A CN2012103014929 A CN 2012103014929A CN 201210301492 A CN201210301492 A CN 201210301492A CN 102829992 A CN102829992 A CN 102829992A
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China
Prior art keywords
carbon steel
alarm
cylindrical shell
sample introduction
heat transport
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CN2012103014929A
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Chinese (zh)
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CN102829992B (en
Inventor
王学峰
周廷
马捷
李树仁
呙畅
饶刚
陈俊祥
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CHEMICAL DEFENSE COLLEGE OF PLA
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CHEMICAL DEFENSE COLLEGE OF PLA
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Priority to CN 201210301492 priority Critical patent/CN102829992B/en
Publication of CN102829992A publication Critical patent/CN102829992A/en
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Abstract

The invention discloses a highly toxic substance heating sample injector combined with an alarm and belongs to the technical field of chemical defense. The highly toxic substance heating sample injector combined with an alarm comprises a cell cover, an aluminum box, cells, a switch button, a heating indicator light, a carbon steel barrel, a heating element, an acquisition probe and a wrist strap. Peripheral equipment comprises alarm equipment. The wrist strap is fixedly connected to the cell cover. The cell cover is fixedly connected to the aluminum box. The aluminum box is fixedly connected to the carbon steel barrel. The carbon steel barrel is fixedly connected to the acquisition probe. The highly toxic substance heating sample injector is connected to the alarm by a feeding connector and a feeding adapter. The highly toxic substance heating sample injector can heat and vaporize highly toxic substances having low volatility thereby realizing detection of a trace amount of the highly toxic substances having low volatility.

Description

A kind of extremely toxic substance with the alarm coupling heats injector
Technical field
The present invention relates to extremely toxic substance heating injector a kind of and the alarm coupling, the injector of the hypertoxic chemicals of particularly a kind of military low volatilization belongs to the chemical defence technical field.
Background technology
Military hypertoxic chemicals is the very high compound of a kind of danger, can cause certain injury to human body when the people is not intended to suck or touch, uses alarm equipment that it is detected, and is one of safing important measures.But some hypertoxic chemicals; Be solid-state during normal temperature or low temperature is down the solid, liquid attitude, or in soil, solid useless, water equal solvent, though there are a large amount of extremely toxic substances to exist; But the toxic agent amount that volatilizes seldom; Like military hypertoxic chemicals yperite, Clark II, diphenylchloroarsine etc., be lower than normally used alarm equipment detectability, especially in winter and some specific occasion warm, Han Qu; Big limitations the usable range of alarm, therefore need be suitable for practical equipment to the detection development of this low volatilization noxious material.
Summary of the invention
The defective that is difficult to detect some low-volatile extremely toxic substance to existing alarm equipment; The object of the present invention is to provide extremely toxic substance heating injector a kind of and the alarm coupling; Said heating injector can be with low-volatile extremely toxic substance heating and gasifying, to reach the purpose that low volatilization and micro-extremely toxic substance are detected.
The object of the invention is realized by following technical scheme:
A kind of extremely toxic substance with the alarm coupling heats injector, and said heating injector comprises battery cover, aluminium box, battery, shift knob, burner on light, carbon steel cylindrical shell, heating element, acquisition probe and wrist strap; Peripherals comprises alarm equipment; Wherein, the aluminium box is the hollow cylinder structure of both ends open, and an end inboard is provided with threaded annular groove, and the other end is a horn opening; Battery cover one end be provided with the aluminium box in annular groove match have an externally threaded annular protrusion; Carbon steel cylindrical shell main part is the hollow cylinder structure of closed at both ends; Have two through holes on the sidewall; Bottom centre position is milled with circular groove; The top is provided with the frustum that section is an isosceles trapezoid, and center, frustum top is provided with tapped groove, has through hole along the isosceles trapezoid symmetrical center line of frustum; Acquisition probe one end is provided with external thread; Heating element comprises heater coil and heat transport element, and wherein, heat transport element main part is a column structure, and one of which end diameter is less than the main part diameter, and the top is taper, and the concrete size of heat transport element is decided according to the shape of acquisition probe; Alarm equipment comprises sample introduction interface and sample introduction adapter, and wherein, the sample introduction interface is the cylindrical structural of hollow, an end opening, and other end sealing, openend is provided with external thread, and the blind end sidewall is provided with through hole, guarantees that acquisition probe can stretch into wherein; The sample introduction adapter is the hollow cylindrical boss structure, and sample introduction adapter protruding end is provided with internal thread, and sample introduction adapter inside has step through-hole, and the structure of step through-hole matches with alarm equipment; Step near the bottom is provided with annular groove, places O-ring seal in the groove;
Said wrist strap and battery cover are connected; Battery cover and aluminium box are through being threaded; Aluminium box horn opening end and carbon steel cylindrical shell bottom are connected, and heat transport element bottom stretches to the circular groove of carbon steel cylindrical shell bottom from the through hole at frustum center, and heat transport element main part is positioned at the carbon steel barrel; The frustum of carbon steel cylindrical shell is extended in the end; Heater coil is positioned at the space of carbon steel cylindrical shell and heat transport element formation, and is wrapped in around the heat transport element, leaves the gap between heater coil and the carbon steel cylinder inboard wall; Shift knob and burner on light are installed on respectively in two through holes of carbon steel cylinder lateral wall; Acquisition probe is sleeved on heat transport element tip exterior, and is fixed in the groove of carbon steel cylindrical shell frustum top through being threaded;
Sample introduction adapter protruding end and sample introduction interface are to be threaded, and bottom and alarm equipment are connected.
Said acquisition probe front end is screw-type or pit type.
Said heat transport element material is a carbon steel.
Said shift knob is divided into 5 control shelves, the different heater coils of respective amount respectively.
Working method
During use, earlier with the battery aluminium box of packing into, acquisition probe is installed to the top of carbon steel cylindrical shell frustum, and is sleeved on the outside that the heat transport element extends an end of carbon steel cylindrical shell, collected specimens; The sample introduction interface is fixedly connected with the sample introduction adapter, and is connected on the alarm; To have the sample collecting probe head and stretch in sample introduction interface and the sample introduction adapter, start heating element, heater coil heating heat transport element; Heat is passed to acquisition probe through the heat transport element; Sample is heated and gasify, be inhaled in the alarm, accomplish sample introduction.
Beneficial effect
(1) adopts heating injector of the present invention; Can be with low-volatile extremely toxic substance heating and gasifying; Detect then; Solved normal temperature down for solid-state or low temperature are the alarm detection problem of solid-state, liquid hypertoxic chemicals down, also can be used for the alarm detection of the hypertoxic chemicals in soil, the solid useless and water simultaneously.
(2) adopt heating injector of the present invention; Increased the sensitivity of alarm, because heating makes sample gasification volatilization, when alarm equipment sucks same sample size; Be equivalent to increase the amount of detected object, can more micro-military extremely toxic substance have been detected.
(3) heating injector of the present invention, said shift knob are divided into 5 control shelves, the different heater coils of respective amount respectively; Because the heater coil number of turns that each control shelves is corresponding is different; Make the speed of its heating also different, can select suitable heating speed and heating-up temperature to the difference of extremely toxic substance physical parameter like this with temperature; Prevent owing to short time heat up the rapidly blast that causes, environmental pollution or human body damaged, safe.
(4) heating injector of the present invention adopts screw-type or pit type acquisition probe, only need take the extremely toxic substance of very small amount just can reach the purpose and the demand of detection, and this has also reduced extremely toxic substance and has caused environmental pollution and human injury's possibility.
(5) heating injector of the present invention uses the aluminium box, makes injector have light advantage, and the carbon steel cylindrical shell adopts carbon steel material simultaneously, makes it have favorable waterproof property.
Description of drawings
Fig. 1 is the sectional view of heating injector of the present invention.
Fig. 2 is sample introduction interface and the sample introduction adapter that heating injector of the present invention uses.
Wherein, 1-battery cover, 2-aluminium box, 3-shift knob, 4-burner on light, 5-carbon steel cylindrical shell, 6-heater coil, 7-heat transport element, 8-acquisition probe, 9-sample introduction interface, 10-sample introduction adapter.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is detailed, but is not limited thereto.
Embodiment 1
As illustrated in fig. 1 and 2, a kind of extremely toxic substance with the alarm coupling heats injector, and said heating injector comprises battery cover 1, aluminium box 2, battery, shift knob 3, burner on light 4, carbon steel cylindrical shell 5, heating element, acquisition probe 8 and wrist strap; Peripherals comprises alarm equipment; Wherein, aluminium box 2 is the hollow cylinder structure of both ends open, and an end inboard is provided with threaded annular groove, and the other end is a horn opening; Battery cover 1 one ends be provided with aluminium box 2 in annular groove match have an externally threaded annular protrusion; Carbon steel cylindrical shell 5 main parts are the hollow cylinder structure of closed at both ends; Have two through holes on the sidewall; Bottom centre position is milled with circular groove; The top is provided with the frustum that section is an isosceles trapezoid, and center, frustum top is provided with tapped groove, has through hole along the isosceles trapezoid symmetrical center line of frustum; Acquisition probe 8 one ends are provided with external thread; Heating element comprises heater coil 6 and heat transport element 7; Wherein, heat transport element 7 main parts are column structure, and one of which end diameter is less than the main part diameter; The top is taper, and the concrete size of heat transport element 7 is decided according to the shape of acquisition probe 8; Alarm equipment comprises sample introduction interface 9 and sample introduction adapter 10, and wherein, sample introduction interface 9 is the cylindrical structural of hollow, an end opening, and other end sealing, openend is provided with external thread, and the blind end sidewall is provided with through hole, guarantees that acquisition probe 8 can stretch into wherein; Sample introduction adapter 10 is the hollow cylindrical boss structure, and sample introduction adapter 10 protruding ends are provided with internal thread, and sample introduction adapter 10 inside have step through-hole, and the structure of step through-hole matches with alarm equipment; Step near the bottom is provided with annular groove, places O-ring seal in the groove;
Said wrist strap and battery cover 1 are connected; Battery cover 1 and aluminium box 2 are through being threaded; Aluminium box 2 horn opening ends and carbon steel cylindrical shell 5 bottoms are connected, and heat transport element 7 bottoms stretch to the carbon steel cylindrical shell 5 bottom circular grooves from the through hole at frustum center, and heat transport element 7 main parts are positioned at carbon steel cylindrical shell 5 inside; The frustum of carbon steel cylindrical shell 5 is extended in the end; Heater coil 6 is positioned at the space of carbon steel cylindrical shell 5 and heat transport element 7 formations, and is wrapped in around the heat transport element 7, leaves the gap between heater coil 6 and carbon steel cylindrical shell 5 inwalls; Shift knob 3 is installed on respectively in two through holes of carbon steel cylindrical shell 5 sidewalls with burner on light 4; Acquisition probe 8 is sleeved on heat transport element 7 tip exterior, and is fixed in the carbon steel cylindrical shell 5 frustum top grooves through being threaded;
Sample introduction adapter 10 protruding ends and sample introduction interface 9 are to be threaded, and bottom and alarm equipment are connected.
Said acquisition probe 8 front ends are pit type.
Said heat transport element 7 materials are carbon steel.
Said shift knob 3 is divided into 5 control shelves, the different heater coils 6 of respective amount respectively.
Before the use, earlier acquisition probe 8 is cleaned, used clean-out system is the mixed solution that the ethane of 50% water and 50% is made into.Be installed to the top of carbon steel cylindrical shell 5 frustums after acquisition probe 8 dried, and be sleeved on the outside that heat transport element 7 extends an end of carbon steel cylindrical shell 5, open battery cover 1,, tighten battery cover 1 No. 5 batteries of 3 joints aluminium box 2 of packing into.Press shift knob 3 then, guarantee that burner on light 4 is bright, heated 1 minute, to remove acquisition probe 8 surperficial volatilizable things, the off switch button 3 then.Sample introduction interface 9 is connected with sample introduction adapter 10, and sample introduction adapter 10 is connected with the Chempro alarm, start alarm equipment.
During use, wrist strap is inserted in wrist, uses acquisition probe 8 to dip in sample thief then; Acquisition probe 8 heads are stretched into sample introduction interface 9, press shift knob 3, heated 1 minute; Make sample gasification, volatilization on the acquisition probe 8; Suck in the alarm through sample introduction adapter 10, accomplish sample collecting and detection, off switch button 3.
After the use, acquisition probe 8 is cleaned, used clean-out system is the mixed solution that the ethane of 50% water and 50% is made into.After drying acquisition probe 8, heated 1 minute, to remove acquisition probe 8 surperficial volatilizable things, the off switch button 3 then.Open battery cover 1, take out battery.Take off acquisition probe 8, and put into sealing bag.Unload sample introduction adapter 10 from alarm at last, again sample introduction interface 9 is taken off from sample introduction adapter 10, put into air-tight bottle or sealing bag in the lump.Alarm is reverted to original state.
This injector total length 250mm, battery case length 165mm, inside diameter 26mm, outer dia 32mm, carbon steel cylindrical shell 5 length 65mm, inside diameter 34mm, outer dia 40mm; Do not weigh 200 grams during charged pool; 4.5 watts of power; Can work 80 heating cycles when using 1.5 volts of batteries of 3 joints; Operating temperature range :-20~49 ℃; Water proofing property: IP65.
The present invention includes but be not limited to above embodiment, every any replacement or local improvement of being equal to of under the principle of spirit of the present invention, carrying out all will be regarded as within protection scope of the present invention.

Claims (6)

1. the extremely toxic substance with the alarm coupling heats injector, and it is characterized in that: said heating injector comprises battery cover (1), aluminium box (2), battery, shift knob (3), burner on light (4), carbon steel cylindrical shell (5), heating element, acquisition probe (8) and wrist strap; Peripherals comprises alarm equipment; Wherein, aluminium box (2) is the hollow cylinder structure of both ends open, and an end inboard is provided with threaded annular groove, and the other end is a horn opening; Battery cover (1) one end is provided with the externally threaded annular protrusion that has that matches with the middle annular groove of aluminium box (2); Carbon steel cylindrical shell (5) main part is the hollow cylinder structure of closed at both ends; Have two through holes on the sidewall; Bottom centre position is milled with circular groove; The top is provided with the frustum that section is an isosceles trapezoid, and center, frustum top is provided with tapped groove, has through hole along the isosceles trapezoid symmetrical center line of frustum; Acquisition probe (8) one ends are provided with external thread; Heating element comprises heater coil (6) and heat transport element (7), and wherein, heat transport element (7) main part is a column structure, and one of which end diameter is less than the main part diameter, and the top is taper; Alarm equipment comprises sample introduction interface (9) and sample introduction adapter (10), and wherein, sample introduction interface (9) is the cylindrical structural of hollow, an end opening, and other end sealing, openend is provided with external thread, and the blind end sidewall is provided with through hole; Sample introduction adapter (10) is the hollow cylindrical boss structure, and sample introduction adapter (10) protruding end is provided with internal thread, and sample introduction adapter (10) inside has step through-hole, and the structure of step through-hole matches with alarm equipment; Step near the bottom is provided with annular groove, places O-ring seal in the groove;
Said wrist strap and battery cover (1) are connected; Battery cover (1) and aluminium box (2) are through being threaded; Aluminium box (2) horn opening end and carbon steel cylindrical shell (5) bottom are connected; Heat transport element (7) bottom stretches to the circular groove of carbon steel cylindrical shell (5) bottom from the through hole at frustum center, and heat transport element (7) main part is positioned at carbon steel cylindrical shell (5) inside, and the frustum of carbon steel cylindrical shell (5) is extended in the end; Heater coil (6) is positioned at the space of carbon steel cylindrical shell (5) and heat transport element (7) formation, and is wrapped in heat transport element (7) on every side; Shift knob (3) and burner on light (4) are installed on respectively in two through holes of carbon steel cylindrical shell (5) sidewall; Acquisition probe (8) is sleeved on heat transport element (7) tip exterior, and is fixed in the groove of carbon steel cylindrical shell (5) frustum top through being threaded;
Sample introduction adapter (10) protruding end and sample introduction interface (9) are to be threaded, and bottom and alarm equipment are connected.
2. a kind of extremely toxic substance with the alarm coupling according to claim 1 heats injector, and it is characterized in that: said acquisition probe (8) front end is screw-type or pit type.
3. a kind of extremely toxic substance with the alarm coupling according to claim 1 heats injector, and it is characterized in that: said heat transport element (7) material is a carbon steel.
4. a kind of extremely toxic substance with the alarm coupling according to claim 1 heats injector, it is characterized in that: said shift knob (3) is divided into 5 control shelves, the different heater coils (6) of respective amount respectively.
5. a kind of extremely toxic substance with the alarm coupling according to claim 1 heats injector, and it is characterized in that: the concrete size of said heat transport element (7) is decided according to the shape of acquisition probe (8).
6. a kind of extremely toxic substance with the alarm coupling according to claim 1 heats injector, it is characterized in that: leave the gap between said heater coil (6) and carbon steel cylindrical shell (5) inwall.
CN 201210301492 2012-08-22 2012-08-22 Highly toxic substance heating sample injector combined with alarm Expired - Fee Related CN102829992B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2060729A1 (en) * 1991-03-20 1992-09-21 Stephen E. O'brien Detection method for checking surfaces for specific compounds
US20050287036A1 (en) * 2004-06-24 2005-12-29 The Regents Of The University Of California Chemical analysis kit for the presence of explosives
CN201302529Y (en) * 2008-10-17 2009-09-02 浙江良精阀门股份有限公司 Rapid vacuum on-line sampling device
CN101587029A (en) * 2008-05-21 2009-11-25 同方威视技术股份有限公司 Sample processing system and method for trace quantity detector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2060729A1 (en) * 1991-03-20 1992-09-21 Stephen E. O'brien Detection method for checking surfaces for specific compounds
US20050287036A1 (en) * 2004-06-24 2005-12-29 The Regents Of The University Of California Chemical analysis kit for the presence of explosives
CN101587029A (en) * 2008-05-21 2009-11-25 同方威视技术股份有限公司 Sample processing system and method for trace quantity detector
CN201302529Y (en) * 2008-10-17 2009-09-02 浙江良精阀门股份有限公司 Rapid vacuum on-line sampling device

Non-Patent Citations (2)

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Title
林静: "电热蒸发-脉冲电晕放电大气压离子化源的研制", 《全国优秀硕士学位论文全文数据库 工程科技编Ⅰ辑》 *
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