CN101900706B - Sample injector - Google Patents
Sample injector Download PDFInfo
- Publication number
- CN101900706B CN101900706B CN200910085558.3A CN200910085558A CN101900706B CN 101900706 B CN101900706 B CN 101900706B CN 200910085558 A CN200910085558 A CN 200910085558A CN 101900706 B CN101900706 B CN 101900706B
- Authority
- CN
- China
- Prior art keywords
- counterpart
- injector
- chamber
- heating
- pyrolysis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention relates to a sample injector. The sample injector comprises a casing, a heating part with a heating cavity and a thermal desorption device with a thermal desorption cavity, wherein the heating part is arranged in the casing; the thermal desorption device is suitable to be placed in the heating cavity in a removable manner; and the thermal desorption device is a composite structure which can be disassembled to expose the thermal desorption cavity. Compared with the thermal desorption device with the integral structure in the prior art which can not be separated so that the thermal desorption cavity is not convenient to clean, the thermal desorption device in the sample injector of the invention can freely open and close, thus the thermal desorption cavity of the thermal desorption device is convenient to clean.
Description
Technical field
The present invention relates to be used for the improvement structure of a kind of injector of ion mobility mass spectrometer of explosive detection, drugs.
Background technology
In the prior art, the injector structure that is used for the ion mobility mass spectrometer of explosive detection, drugs is such: have independently hot parser, the chamber is analysed in its inner pyrolysis for the placement cleansing tissue, and heating element directly heats to hot parser.But, hot parser wherein is structure as a whole, can not the split folding, be not easy to cleaning.
Summary of the invention
Be intended to overcome the defective and at least one not enough aspect that exist in the prior art, propose the present invention.
According to an aspect of the present invention, proposed a kind of injector, it comprises: housing; Be positioned at the heating part that housing has heating chamber, said heating chamber is provided with heating element; With comprise that pyrolysis analyses the hot parser in chamber, said hot parser is suitable for placing removedly in the said heating chamber, wherein said hot parser is removable to expose the unitized construction that the chamber is analysed in said pyrolysis.
Alternatively, said hot parser comprises first one and second one, and said first one is suitable for combining with said second one and forms said pyrolysis and analyse the chamber.
Alternatively, said first one does not comprise first counterpart and second counterpart with said second portion, and said first one and said second one fits together through the cooperation between said first counterpart and said second counterpart.
Alternatively, one in said first counterpart and said second counterpart is longitudinal fluting, and in said first counterpart and said second counterpart another is to be suitable for being engaged in slidably the vertical flange in the said longitudinal fluting.Alternatively, one in said first counterpart and said second counterpart is vertical end difference, and in said first counterpart and said second counterpart another is another the vertical end difference that is adapted to fit on said vertical end difference.Perhaps, one in said first counterpart and said second counterpart is draw-in groove portion, and in said first counterpart and said second counterpart another is the pothook that is suitable for removably being engaged in the said draw-in groove portion.
Further alternatively, said first one is upper plate, and said second one is lower plate.Preferably, be formed with the groove of the impurity that is used for retaining sampling process on the inside surface of said lower plate.
Alternatively, said heating part self is provided with heating element.Alternatively, said injector further comprises heating element, and said heating element is used to heat said heating chamber.Alternatively, said heating element is the heating film that pastes on the outer wall of heating part.
Alternatively, be provided with the insulation layer between said housing and the said heating part.
In the present invention, hot parser is removable exposing the unitized construction that the chamber is analysed in pyrolysis, thereby compared with prior art, the chamber is analysed in the pyrolysis that can easily clean in the hot parser.
Description of drawings
Through describing embodiments of the invention in detail with reference to accompanying drawing, it is clearer that the present invention will become, wherein:
Fig. 1 is the structural representation of injector according to an embodiment of the invention;
Fig. 2 is the synoptic diagram that takes out in the injector of hot parser from Fig. 1; With
Fig. 3 is the structural representation of hot parser according to an embodiment of the invention.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.Following explanation to embodiment of the present invention is intended to present general inventive concept of the present invention is made an explanation with reference to accompanying drawing, and is not to be understood that to a kind of restriction of the present invention.
With reference to Fig. 1, injector 100 comprises: housing 1; Be positioned at the heating part 20 that housing 1 has heating chamber 2; With comprise that pyrolysis analyses the hot parser 4 in chamber 5, shown in arrow B among Fig. 2, said hot parser 4 is suitable for placing removedly in the said heating chamber 2, wherein: said hot parser 4 is for removable to expose the unitized construction that chamber 5 is analysed in said pyrolysis.
Said hot parser 4 comprises first one 41 and second ones 42, and said first one 41 is suitable for combining with said second one 42 and forms said pyrolysis and analyse chamber 5.Particularly, shown in A-A cross sectional view among Fig. 3, when combining for first one 41 and second ones 42, inside has formed pyrolysis and has analysed chamber 5.It should be noted that hot parser 4 also can be combined by the part more than two, and the shape among the figure only is an illustration purpose.
Said first one 41 comprises first counterpart 9 and second counterpart 10 respectively with said second one 42, and said first one 41 and said second one 42 fits together through the cooperation between said first counterpart 9 and said second counterpart 10.
For this reason, one in said first counterpart 9 and said second counterpart 10 be longitudinal fluting, and in said first counterpart 9 and said second counterpart 10 another is to be suitable for being engaged in slidably the interior vertical flange of said longitudinal fluting.Alternatively, one in said first counterpart 9 and said second counterpart 10 be draw-in groove portion, and in said first counterpart 9 and said second counterpart 10 another is the pothook that is suitable for removably being engaged in the said draw-in groove portion.Perhaps alternatively; As shown in Figure 3; One in said first counterpart 9 and said second counterpart 10 be vertical end difference, and in said first counterpart 9 and said second counterpart 10 another is another the vertical end difference that is adapted to fit on said vertical end difference.
Shown in Fig. 1-3, said first one 9 is upper plate, and said second one 10 is lower plate.Can be formed with the groove 11 of the impurity that is used for retaining sampling process on the inside surface of said lower plate.Groove 11 can need not to be structure shown in the figure or layout, and groove 11 also can be the vertical elongated slot that is positioned on the inside surface of lower plate 10.Groove 11 is set not only can prevents or reduce the gas circuit obstruction, also be convenient to the cleaning of impurity.
In addition, heating part 20 can self be provided with heating element, and promptly heating element is encased in the heating part 20 and becomes one with it.
But, heating element also can independently be provided with heating part 20, and promptly injector 100 also comprises the heating element 3 that is used to heat this heating chamber 2.As shown in fig. 1, said heating element 3 is for pasting the heating film on the outer wall of heating part.
Can also be provided with insulation layer 12 between said housing 1 and the said heating part 20.Perhaps, housing 1 is as the insulation layer, promptly directly comprises heat preserving and insulating material or processed by heat preserving and insulating material.
Shown in Fig. 1-3, pyrolysis is analysed chamber 5 and is had the confession insertion mouth 6 that cleansing tissue 7 inserts of for example sampling.Injector 100 also has the sample introduction air-path interface 8 that is connected to ion mobility mass spectrometer, and pyrolysis is analysed chamber 5 and is communicated with sample introduction air-path interface 8.
In addition, can utilize photoelectric sensor to come sensing sampling cleansing tissue 7 to be inserted into pyrolysis and analyse in the chamber 5, the signal that sends through photoelectric sensor can start the heating to heating chamber.Certainly, also can be provided with temperature sensor in the injector, thus can be with the temperature in the sensing heating chamber through the temperature in the controller control heating chamber.
The present invention has been described with reference to example embodiment.But, obvious, those skilled in the art can obviously draw modification and the change that plurality of optional is selected under the instruction of foregoing description.Thereby the present invention comprises the spirit that falls into accompanying claims and all selectable modification and the changes within the protection domain.
Claims (13)
1. injector comprises:
Housing;
Be positioned at the heating part that housing has heating chamber, said heating chamber has longitudinal axis;
Be connected to the sample introduction air-path interface of ionic migration spectrometer; With
Comprise that pyrolysis analyses the hot parser in chamber, said hot parser is suitable for placing removedly in the said heating chamber, and said pyrolysis is analysed the chamber and had and insert mouthful,
Wherein:
Said hot parser is removable exposing the unitized construction that the chamber is analysed in said pyrolysis, and
On the direction of said longitudinal axis, gas circuit and said sample introduction air-path interface that formation in the chamber is analysed in said insertion mouth, said pyrolysis join successively.
2. injector according to claim 1, wherein:
Said hot parser comprises first one and second one, and said first one is suitable for combining with said second one and forms said pyrolysis and analyse the chamber.
3. injector according to claim 2, wherein:
Said first one does not comprise first counterpart and second counterpart with said second portion, and said first one and said second one fits together through the cooperation between said first counterpart and said second counterpart.
4. injector according to claim 3, wherein:
One in said first counterpart and said second counterpart is longitudinal fluting, and in said first counterpart and said second counterpart another is to be suitable for being engaged in slidably the vertical flange in the said longitudinal fluting.
5. injector according to claim 3, wherein:
One in said first counterpart and said second counterpart is vertical end difference, and in said first counterpart and said second counterpart another is another the vertical end difference that is adapted to fit on said vertical end difference.
6. injector according to claim 3, wherein:
One in said first counterpart and said second counterpart is draw-in groove portion, and in said first counterpart and said second counterpart another is the pothook that is suitable for removably being engaged in the said draw-in groove portion.
7. according to each described injector among the claim 2-6, wherein:
Said first one is upper plate, and said second one is lower plate.
8. injector according to claim 7, wherein:
Be formed with the groove of the impurity that is used for retaining sampling process on the inside surface of said lower plate.
9. according to each described injector among the claim 1-6, wherein:
Said heating part self is provided with heating element.
10. according to each described injector among the claim 1-6, said injector also comprises:
Heating element, said heating element is used to heat said heating chamber.
11. injector according to claim 10, wherein:
Said heating element is the heating film that pastes on the outer wall of heating part.
12. according to each described injector among the claim 1-6, wherein:
Be provided with the insulation layer between said housing and the said heating part.
13. according to each described injector among the claim 1-6, wherein:
Said housing is as the insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910085558.3A CN101900706B (en) | 2009-05-25 | 2009-05-25 | Sample injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910085558.3A CN101900706B (en) | 2009-05-25 | 2009-05-25 | Sample injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101900706A CN101900706A (en) | 2010-12-01 |
| CN101900706B true CN101900706B (en) | 2012-12-12 |
Family
ID=43226418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910085558.3A Active CN101900706B (en) | 2009-05-25 | 2009-05-25 | Sample injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101900706B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323329A (en) * | 2011-07-15 | 2012-01-18 | 武汉矽感科技有限公司 | Method for acquiring sample molecules in object to be detected and sample introduction mechanism of ion migration spectrometer |
| CN104483423B (en) | 2014-12-31 | 2016-03-09 | 同方威视技术股份有限公司 | Sample collection and thermal desorption sampling device and method and trace detection equipment |
| CN108226267B (en) * | 2017-06-15 | 2023-09-12 | 深圳市天和时代电子设备有限公司 | Split type thermal analysis sampling device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5571976A (en) * | 1994-12-08 | 1996-11-05 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Revenue | Apparatus and method for collecting samples for IMS (Ion Mobility Spectrometers) analyzers and the like |
| US5741984A (en) * | 1996-10-21 | 1998-04-21 | Barringer Technologies Inc. | Method and apparatus for sample collection by a token |
| US5988002A (en) * | 1996-04-03 | 1999-11-23 | Barringer Research Limited | Method of collecting trace samples for analysis |
| US6248158B1 (en) * | 1999-07-30 | 2001-06-19 | Agilent Technologies, Inc. | Oven housing module in an analytical instrument |
| CN2927049Y (en) * | 2006-02-21 | 2007-07-25 | 公安部第三研究所 | Gasified substance ion transferring rate qualitative analyzer |
-
2009
- 2009-05-25 CN CN200910085558.3A patent/CN101900706B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5571976A (en) * | 1994-12-08 | 1996-11-05 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Revenue | Apparatus and method for collecting samples for IMS (Ion Mobility Spectrometers) analyzers and the like |
| US5988002A (en) * | 1996-04-03 | 1999-11-23 | Barringer Research Limited | Method of collecting trace samples for analysis |
| US5741984A (en) * | 1996-10-21 | 1998-04-21 | Barringer Technologies Inc. | Method and apparatus for sample collection by a token |
| US6248158B1 (en) * | 1999-07-30 | 2001-06-19 | Agilent Technologies, Inc. | Oven housing module in an analytical instrument |
| CN2927049Y (en) * | 2006-02-21 | 2007-07-25 | 公安部第三研究所 | Gasified substance ion transferring rate qualitative analyzer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101900706A (en) | 2010-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105682488B (en) | For heating the equipment that can light sucked material | |
| CN101900706B (en) | Sample injector | |
| CN208144423U (en) | Flue-cured tobacco heating member, pipe bowl device and electronic cigarette | |
| CN203538371U (en) | Heater for electric smoking system | |
| CN107343669A (en) | The puff count detection method of electronic smoking set and electronic smoking set | |
| CN203492790U (en) | Atomizer and electronic cigarette | |
| EP4088597B1 (en) | Aerosol generating device | |
| JP6425960B2 (en) | Stacked gas sensor element, gas sensor, and method of manufacturing the same | |
| CN103533684A (en) | Heater for electrically heating cigarettes | |
| US9989487B2 (en) | Gas sensor | |
| CN204944182U (en) | A kind of heating furnace for bar and sheet coupon tension test | |
| US20160187285A1 (en) | Gas sensor element and gas sensor | |
| JP2007255985A (en) | Gas sensor element | |
| US20160320333A1 (en) | Gas sensor element, gas sensor, and method of manufacturing gas sensor element | |
| CN104997164B (en) | A kind of electronic cigarette | |
| CN203554710U (en) | Heater used for electrically heating cigarettes | |
| CN108156679A (en) | A kind of combined type soil environment remediation electric heater | |
| WO2007021482A3 (en) | Disposable integrated heater and tube assembly for thermally-driven chemical reactions | |
| US9696274B2 (en) | Gas sensor element and gas sensor | |
| JPH11271271A (en) | Electrochemical measuring sensor | |
| CN113287779A (en) | Heating device for electric heating cigarette simulation test and use method thereof | |
| CN203633497U (en) | Electrical heating smoking set | |
| CN206390295U (en) | A kind of cigarette bullet and low temperature smoking set | |
| JP2006162618A (en) | Manufacturing method of sensor element for gas-measuring sensor | |
| CN211532794U (en) | Heating module of electronic smoking set and electronic smoking set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |