CN102565177A - Calibration device - Google Patents

Calibration device Download PDF

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Publication number
CN102565177A
CN102565177A CN201010619759XA CN201010619759A CN102565177A CN 102565177 A CN102565177 A CN 102565177A CN 201010619759X A CN201010619759X A CN 201010619759XA CN 201010619759 A CN201010619759 A CN 201010619759A CN 102565177 A CN102565177 A CN 102565177A
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China
Prior art keywords
material storing
housing
storing mass
caliberating device
fan
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CN201010619759XA
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Chinese (zh)
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CN102565177B (en
Inventor
李冠兴
刘建华
冷小鹏
许海燕
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Nuctech Co Ltd
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Nuctech Co Ltd
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Priority to CN201010619759.XA priority Critical patent/CN102565177B/en
Publication of CN102565177A publication Critical patent/CN102565177A/en
Priority to HK12113180.9A priority patent/HK1172396A1/en
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Publication of CN102565177B publication Critical patent/CN102565177B/en
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Abstract

The invention relates to a calibration device comprising a material storing body and a blowing device. The material storing body is internally provided with a material storing cavity for placing calibration materials, the front end of the material storing body is provided with an air outlet, and the rear end of the material storing body is provided with an air inlet. The blowing device is connected with the air inlet of the material storing body, the material storing cavity is blown through the air inlet, steam of the calibration materials is blown from the air outlet, and the steam aligns at a sample inlet of an ion mobility spectrometer, so that the ion mobility spectrometer can be calibrated. After the calibration device is used, a calibration test sample does not need to be prepared when the ion mobility spectrometer is calibrated, and organic solvent and special sample application tools are not needed, so that the calibration device is simple and convenient to carry and use, the calibration materials are convenient to store and change, and the calibration device is safe, reliable, and environment-friendly.

Description

Caliberating device
Technical field
The invention belongs to the on-the-spot detection range of chemical substance, relate generally to a kind of caliberating device, especially relate to a kind of caliberating device that is used to calibrate ionic migration spectrometer.
Background technology
The ion mobility spectrometry technology is the technology of under atmospheric pressure environment, chemical substance being separated and detecting, and has high sensitivity and response speed, can be in the extremely short time detection and Identification chemical substance, can be used for detecting the identification chemical reagent; Explosive, drugs, environmental contaminants etc. have fast; Sensitivity, characteristics simple to operate, easy to use have been widely used in anti-terrorism at present; Look into poison, safety check, fields such as environmental monitoring.
Ionic migration spectrometer is that the different transit times according to various materials detect identification, and the running environment of the transit time of material and instrument temperature for example, air pressure etc. have direct relation.Same substance is under different temperature or air pressure, and its transit time is different, and therefore, ionic migration spectrometer must be calibrated transit time according to running environment especially air pressure, could guarantee the correct use of instrument.Although traditional ionic migration spectrometer can be calibrated according to environmental parameter, detect the accuracy rate of discerning in order to ensure ionic migration spectrometer, in practical application, also need demarcate material and calibrate with standard.Have only according to the actual measurement transit time and the situation of change of standard demarcation material the transit time of other detectable substance is made corresponding adjustment, could guarantee that ionic migration spectrometer detects the accuracy rate of identification.
The demarcation of conventional ion migration detector is with demarcating material with organic solvent dissolution and be diluted to the standard solution of low concentration, and the standard solution point that takes a morsel then is added in sampling and wipes away on the paper, treats that inserting an instrument injection port to sampling paper after the solvent evaporates detects demarcation.Use this scaling method to have the problems that are described below: because the few highly volatile loss of the demarcation amount of material of being put can not be preserved for a long time, can only use by on-the-spot point sample, organic solution must carried and use in institute, dangerous, not environmental protection.Use and demarcate the demarcation of substance solution point sample, need professional deposition tool such as micropipettor etc., carry and use inconvenience.In addition, also have the scaling method do not use organic solution, but in these methods except the special sample tool of needs, like calibration pen, demarcate box etc., also need to make at the scene the specimen that is used to demarcate, thereby waste time and energy, operation inconvenience.
Summary of the invention
The present invention is intended to solve at least one of technical matters that exists in the prior art.For this reason; One object of the present invention is to propose a kind of caliberating device that is used for ion migration detector; It is convenient and safe, reliable, environmentally friendly that this caliberating device carries with storage and replacing easy to use, as to demarcate material, simplified the calibration operation of ionic migration spectrometer, time saving and energy saving.
Caliberating device according to the embodiment of the invention comprises: material storing mass, said material storing mass inside define and are used to place the storage cavity of demarcating material, and the front end of said material storing mass is provided with the gas outlet and the rear end is provided with air intake opening; And blowning installation, said blowning installation links to each other with the air intake opening of said material storing mass and is used for blowing out from the gas outlet through the air intake opening demarcation material that will volatilize of in storage cavity, blowing.
According to the caliberating device of the embodiment of the invention, it is convenient and safe, reliable, environmentally friendly to carry with storage and replacing easy to use, as to demarcate material, need not to use and on-the-spot organic solvent and the special deposition tool prepared.
In addition, the caliberating device according to the embodiment of the invention also has following additional technical feature:
Said blowning installation is Capsule suction nozzle or plunger injection device.
Said blowning installation is a fan, and said caliberating device further comprises housing, wherein said fan and material storing mass be installed in the housing and the air intake opening of said material storing mass relative with said fan, outside is led in the gas outlet of said material storing mass.
Be provided with the battery accommodating groove that is used to hold battery in the said housing; Said holding tank opens wide towards the housing outside; Said battery accommodating groove is provided with holding tank lid, in said housing, is provided with circuit board, and said circuit board is respectively with to be used to be connected the contact element of battery continuous in fan and the battery accommodating groove.
Be provided with the display that links to each other with said circuit board in the said housing, and said display exposes in housing.
The front end of said housing is provided with open front; Said material storing mass is installed in the said open front and the part of said material storing mass is stretched out housing in the housing to preceding; Before being equipped with, the front end of said housing goes out gas; Go out gas before said and be provided with outlet passageway, the part of the material storing mass that stretches out from housing is positioned at the gas outlet that goes out gas and said material storing mass before said and is communicated with said outlet passageway.
Go out the cone-shaped body of gas before said for increasing gradually along the past direction backward.
Between said material storing mass and fan, be provided with conductive gas, be provided with air guide channel in the said conductive gas, the front end of said air guide channel is communicated with the air intake opening of material storing mass and its rear end and fan are relative.
The rear end part of said air guide channel is a tapered portion, and the major diameter of said tapered portion is partly facing to said fan.
Be provided with O-ring seal between conductive gas and the material storing mass.
Said material storing mass comprises body and preceding capping, and the front end of said body opens wide, and the front end of the said preceding said body of closure and said gas outlet are formed in the preceding capping.
Said housing comprises enclosure body and back seat, and said enclosure body is made up of two halfbodies that separate and the rear end insertion of said two halfbodies is fixed in the said back seat.
Front end at said housing is with preceding over cap, is used to seal and protect the front end and the preceding conductive gas of housing.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the synoptic diagram of caliberating device according to an embodiment of the invention; With
Fig. 2 is the structural representation of caliberating device according to another embodiment of the present invention.
Embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; Term " preceding ", " back ", etc. orientation or the position relation of indication for based on orientation shown in the drawings or position relation; Only be for the ease of describing the present invention rather than requiring the present invention therefore can not be interpreted as limitation of the present invention with specific azimuth configuration and operation.
Caliberating device according to the embodiment of the invention is described with reference to the drawings below.
As shown in Figure 1, comprise material storing mass 1 and blowning installation 2 according to the caliberating device of the embodiment of the invention.The inside of material storing mass 1 defines and is used to place the storage cavity A that demarcates material, and demarcating material is solid-state demarcation thing, like TNT, and BHT, niacinamide etc., it can volatilize the identification to be detected of enough steams.Demarcating material for example can be fixed among the storage cavity A with materials such as wire gauze or spun glass.The front end of material storing mass 1 (left end among Fig. 1) is provided with gas outlet 102, and rear end (right-hand member among Fig. 1) is provided with air intake opening 101.
Blowning installation 2 links to each other with the air intake opening 101 of material storing mass 1; Blowning installation 2 is blown in storage cavity A through air intake opening 101; Thereby demarcation material steam that will volatilize or gasoloid 102 blow out storage cavity A from the gas outlet, for example get in the ion migration detector ion migration detector is demarcated.In example of the present invention, blowning installation 2 can be various ways, for example Capsule suction nozzle or plunger injection device.
According to the caliberating device of the embodiment of the invention, need not to store, carry or use organic solution, need not special deposition tool, because of easy to use and safety and environmental protection.And, when using at the scene, need not the specimen that field fabrication is used to demarcate, need not special sample tool, therefore easy to operate, time saving and energy saving, simplified the calibration operation of ionic migration spectrometer.
Describe the structure of caliberating device according to another embodiment of the present invention in detail with reference to figure 2 below.
As shown in Figure 2, in this embodiment, caliberating device comprises housing 5, the housing 5 inner cavitys that limit.In a concrete example; Housing 5 for example is the cardinal principle tubular and comprises enclosure body and back seat 6; In order miscellaneous part to be installed in the housing 5 and to dismantle caliberating device easily; Enclosure body can be made up of the halfbody of two separation, and the rear end of two halfbodies (right-hand member among Fig. 2) is inserted in the back seat 6, thereby two halfbodies constitute housing 5.
The front end of housing 5 is provided with opening 51.In example shown in Figure 2, blowning installation 2 is a fan.Fan 2 is installed in the housing 5, and the front end of contiguous housing 5.Material storing mass 1 is installed in the opening 51 of housing 5 front ends, thereby the part of material storing mass 1 is stretched out housing 5 in the housing 5 to preceding, and remainder is positioned at housing 5.Between material storing mass 1 and fan 2, be provided with conductive gas 3, the inside of conductive gas 3 is provided with air guide channel 32, and the front end of air guide channel 32 is communicated with the air intake opening 101 of storage cavity A, and the rear end is relative with fan 2.The rear end of air guide channel 32 is a tapered portion 31, and the major diameter of tapered portion 31 part fans 3 facing the wind, and conductive gas 3 can be quickened the air blowing of fan 2 to import in the storage cavity A of material storing mass 1 through air guide channel 32 thus.In one example, be provided with seal groove 33, in seal groove 33, be provided with O-ring seal 12 at the front end of air guide channel 32, thus the slit between sealing material storing mass 1 and the conductive gas 3.
As shown in Figure 2, in this embodiment, material storing mass 1 comprises body 1a and preceding capping 1b, and the front end of body 1a opens wide, and the front end of preceding capping 1b enclosed body 1a and gas outlet 102 are formed on the preceding capping 1b.Thus, through capping 1b before opening, can put in the storage cavity demarcating material easily.
In an example of the present invention; Material storing mass 1 is removably mounted in the opening 51 of housing 5; Thereby in the time need demarcating ion migration detector with different demarcation materials; Can change the material storing mass 1 that stores corresponding demarcation material, avoid in same material storing mass 1, using different influences of demarcating material ion migration detector.
As shown in Figure 2;, the front end of housing 5 goes out gas 4 before being equipped with; Before go out gas 4 for example is installed to housing 5 through bolt or pin front end; Before go out to be formed with outlet passageway 41 in the gas 4, the rear end radial dimension of outlet passageway 41 enlarges, enlargement steps down is used to hold the part of the material storing mass 1 that stretches out from housing 5.The rear end of outlet passageway 41 is communicated with the gas outlet 102 of material storing mass 1 and front end leads to the external world, thereby the gaseous state of volatilization demarcation material gets into outlet passageways 41 and comes out for example to get into ion migration detector from outlet passageway 41 through gas outlet 102 from storage cavity A under the blowing of fan 2.
As shown in Figure 2, precedingly go out gas 4 and be cone-shaped body, and increase gradually along backward direction in the past.
In order to give electric fan 2 power supplies, in housing 5, be provided with the battery accommodating groove 10 that is used to hold the battery (not shown), battery accommodating groove 10 opens wide towards housing 5 outsides, so that fetching battery.Certainly, battery accommodating groove 10 also can pass back seat 6 in the rear end and open wide, and battery accommodating groove 10 can cover 11 sealings with holding tank.Be provided with the contact element (not shown) that is used to connect battery in the battery accommodating groove 10, for example spring leaf.In housing 5, also be provided with circuit board 9, circuit board 9 links to each other with battery accommodating groove 10 interior contact elements, and links to each other with fan 2 through lead, so that the electric energy of battery is supplied to fan 2.Lead between circuit board 9 and the fan 2 can be arranged in the slit 52 of housing 5 upper edge fore-and-aft directions settings.It will be appreciated that fan 2 is not limited to powered battery, for example can on housing 5, socket be set, be used for external AC, equally can drive fan 2.
In an example of the present invention, also be provided with display 8 in the housing 5, the display screen of display 8 exposes in housing 5, so that operating personnel observe.Display 8 links to each other with circuit board 9, for example can show the electric energy surplus of battery, and demarcates the number of times that material can also use.For example; The maximum times that demarcation material in new material storing mass 1 can be used to demarcate ion migration detector is 800 times, and so, every demarcation once; The residue degree that shows on the display 8 just reduces once; When residue degree was zero, the demarcation material in the prompting material storing mass 1 used up the material storing mass 1 that need more renew.
In order to seal and protect the front end of housing 5, over cap 7 before on the front end of housing 5, can being with is so that the front end and the preceding conductive gas 3 of sealing and protection housing 5.
The assembling and the operation of caliberating device are according to another embodiment of the present invention simply described below.
At first; A halfbody of housing 5 is inserted in the back seat 6; Then with fan 2, conductive gas 3, circuit board 9; Display 8 is installed on the above-mentioned halfbody with material storing mass 1 parts such as grade, then another halfbody is buckled on the above-mentioned halfbody, and the rear end with another halfbody also is inserted in the back seat 6 simultaneously.Next, with preceding going out the front end that gas 4 is installed to housing 5, and go out in the gas 4 before the part that material storing mass 1 stretches out housing 5 is contained in.Battery is put into battery accommodating groove 10, buckle holding tank lid 11.At last, preceding over cap 7 is enclosed within the front end of housing 5.Thus, be assembled into caliberating device.
When needs are changed material storing mass 1, pull down from the front end of housing 5 preceding going out gas 4, extract material storing mass 1 out from the opening 51 of housing 5 front ends; And new material storing mass 1 is inserted in the opening 51, and perhaps the preceding capping 1b with material storing mass 1 opens, and new demarcation material is put into storage cavity A; Material storing mass 1 is inserted in the opening 51 again; Then preceding conductive gas 4 is installed to the front end of housing 5, overlaps the over cap 7 of going forward, caliberating device can be reused.
In use, over cap 7 before taking off is pressed power switch, and battery-operated fan 2 rotates, and the air blowing of fan 2 gets in the storage cavity A via air intake opening 101 through air guide channel 32,102 blows out from the gas outlet thereby the gaseous state of the volatilization in the storage cavity A is demarcated material.Gaseous state is demarcated material and is exported to housing 5 outsides through outlet passageway 41, for example gets into ionic migration spectrometer, thereby ionic migration spectrometer is demarcated.
When the residue demarcation number of times of display 8 demonstrations is zero, change material storing mass 1 as stated, perhaps when needs are used another kind demarcation material demarcation ionic migration spectrometer, change the material storing mass 1 that another kind demarcation material is housed, the repetition aforesaid operations gets final product.When stopping timing signal, only need cut off the electricity supply, stop fan 2 and get final product.
Therefore,, operate very simply, change easily and demarcate material, need not special instrument, need not to make at the scene the demarcation material, also need not carry organic solvent with caliberating device according to the caliberating device of the embodiment of the invention.
Although illustrated and described embodiments of the invention; Those having ordinary skill in the art will appreciate that: under the situation that does not break away from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited claim and equivalent thereof.

Claims (13)

1. a caliberating device is characterized in that, comprising:
Material storing mass, said material storing mass inside define and are used to place the storage cavity of demarcating material, and the front end of said material storing mass is provided with the gas outlet and the rear end is provided with air intake opening; With
Blowning installation, said blowning installation link to each other with the air intake opening of said material storing mass and are used for blowing out from the gas outlet through the air intake opening demarcation material that will volatilize of in storage cavity, blowing.
2. caliberating device according to claim 1 is characterized in that, said blowning installation is Capsule suction nozzle, syringe or electronic blowing device.
3. caliberating device according to claim 1; It is characterized in that; Said blowning installation is a fan; And said caliberating device further comprises housing, and it is relative with said fan that wherein said fan and material storing mass are installed in housing air intake opening interior and said material storing mass, and outside is led in the gas outlet of said material storing mass.
4. caliberating device according to claim 3; It is characterized in that; Be provided with the battery accommodating groove that is used to hold battery in the said housing, said holding tank opens wide towards the housing outside, and said battery accommodating groove is provided with the holding tank lid; In said housing, be provided with circuit board, said circuit board respectively with fan and battery accommodating groove in be used to be connected battery contact element link to each other.
5. caliberating device according to claim 4 is characterized in that, be provided with the display that links to each other with said circuit board in the said housing, and said display exposes in housing.
6. according to each described caliberating device among the claim 3-5; It is characterized in that; The front end of said housing is provided with open front, and said material storing mass is installed in the said open front and the part of said material storing mass is stretched out housing to preceding in housing, goes out gas before the front end of said housing is equipped with; Go out gas before said and be provided with outlet passageway, the part of the material storing mass that stretches out from housing is positioned at the gas outlet that goes out gas and said material storing mass before said and is communicated with said outlet passageway.
7. caliberating device according to claim 6 is characterized in that, goes out the cone-shaped body of gas for increasing gradually along backward direction in the past before said.
8. caliberating device according to claim 6 is characterized in that, between said material storing mass and fan, is provided with conductive gas, is provided with air guide channel in the said conductive gas, and the front end of said air guide channel is communicated with the air intake opening of material storing mass and its rear end and fan are relative.
9. caliberating device according to claim 8 is characterized in that, the rear end part of said air guide channel is a tapered portion, and the major diameter of said tapered portion is partly facing to said fan.
10. caliberating device according to claim 8 is characterized in that, is provided with O-ring seal between conductive gas and the material storing mass.
11. caliberating device according to claim 8 is characterized in that, said material storing mass comprises body and preceding capping, and the front end of said body opens wide, and the front end of the said preceding said body of closure and said gas outlet are formed in the preceding capping.
12. caliberating device according to claim 11 is characterized in that, said housing comprises enclosure body and back seat, and said enclosure body is made up of two halfbodies that separate and the rear end insertion of said two halfbodies is fixed in the said back seat.
13. caliberating device according to claim 8 is characterized in that, is with preceding over cap at the front end of said housing, is used to seal and protect the front end and the preceding conductive gas of housing.
CN201010619759.XA 2010-12-31 2010-12-31 Calibration device Active CN102565177B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201010619759.XA CN102565177B (en) 2010-12-31 2010-12-31 Calibration device
HK12113180.9A HK1172396A1 (en) 2010-12-31 2012-12-20 Calibration device

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Application Number Priority Date Filing Date Title
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CN102565177B CN102565177B (en) 2014-10-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107505382A (en) * 2017-09-19 2017-12-22 同方威视技术股份有限公司 Automatic calibration device and ionic migration spectrometer

Citations (5)

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Publication number Priority date Publication date Assignee Title
US5452600A (en) * 1993-09-29 1995-09-26 Lockheed Idaho Technologies Company Calibrated vapor generator source
US20030116705A1 (en) * 2001-11-30 2003-06-26 Isik Kanik Proton-transfer-reaction/ion-mobility-spectrometer and method of using the same
CN201141852Y (en) * 2007-08-10 2008-10-29 上海新漫传感技术研究发展有限公司 Air path connection module used for ion transfer spectrometer
US20090166524A1 (en) * 2007-12-31 2009-07-02 Edward Geraghty Chemical calibration method and system
CN201909774U (en) * 2010-12-31 2011-07-27 同方威视技术股份有限公司 Calibrating device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5452600A (en) * 1993-09-29 1995-09-26 Lockheed Idaho Technologies Company Calibrated vapor generator source
US20030116705A1 (en) * 2001-11-30 2003-06-26 Isik Kanik Proton-transfer-reaction/ion-mobility-spectrometer and method of using the same
CN201141852Y (en) * 2007-08-10 2008-10-29 上海新漫传感技术研究发展有限公司 Air path connection module used for ion transfer spectrometer
US20090166524A1 (en) * 2007-12-31 2009-07-02 Edward Geraghty Chemical calibration method and system
CN201909774U (en) * 2010-12-31 2011-07-27 同方威视技术股份有限公司 Calibrating device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107505382A (en) * 2017-09-19 2017-12-22 同方威视技术股份有限公司 Automatic calibration device and ionic migration spectrometer
US10861686B2 (en) 2017-09-19 2020-12-08 Nuctech Company Limited Automatic calibration device and ion migration spectrometer

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CN102565177B (en) 2014-10-29

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