CN107644803A - A kind of gas chromatography mass spectrometry vacuum cavity - Google Patents
A kind of gas chromatography mass spectrometry vacuum cavity Download PDFInfo
- Publication number
- CN107644803A CN107644803A CN201710924716.4A CN201710924716A CN107644803A CN 107644803 A CN107644803 A CN 107644803A CN 201710924716 A CN201710924716 A CN 201710924716A CN 107644803 A CN107644803 A CN 107644803A
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- China
- Prior art keywords
- mounting hole
- vacuum cavity
- mass spectrometry
- gas chromatography
- side wall
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- 238000002290 gas chromatography-mass spectrometry Methods 0.000 title claims abstract description 21
- 230000005611 electricity Effects 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000001819 mass spectrum Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The invention discloses a kind of gas chromatography mass spectrometry vacuum cavity, vacuum cavity is the rectangular parallelepiped structure with both ends open chamber, the first side wall of vacuum cavity includes being used for installing ion gun and conducted electricity the contact mounting hole that conducts electricity of contact, for installing the vacuum gauge mounting hole of vacuum gauge and multiplier tube mounting hole for installing electron multiplier；The second sidewall relative with the first side wall includes being used for gas installation phase chromatogram and the transmitting device mounting hole of mass spectrum transmitting device；The molecular pump mounting hole for installing molecular pump is provided with the 3rd side wall between the first side wall and second sidewall；4th side wall includes being used for the tuning valve mounting hole for installing tuning valve module;Gas chromatography mass spectrometry vacuum cavity disclosed by the invention, vacuum cavity design comparison is compact, and each component assembling mounting hole is rationally distributed, so that vacuum cavity internal volume is compressed to minimum, be advantageous to vacuum and take out more preferable, while maintenance of this layout very convenient later stage to instrument, it is more convenient to change each component.
Description
Technical field
The invention belongs to mass spectrometry art, more particularly to a kind of gas chromatography mass spectrometry vacuum cavity.
Background technology
The gas chromatography mass spectrometry vacuum cavity used at present is complicated, and each component assembling installation hole arrangement is unreasonable, thus band
Carry out installation and maintenance inconvenience, while be unfavorable for preferably vacuumizing, it is therefore desirable to find a kind of more compact-sized design.
The content of the invention
In view of this, it is necessary to overcome at least one in drawbacks described above of the prior art.The invention provides a kind of gas
Matter combined vacuum cavity, the vacuum cavity are the rectangular parallelepiped structure with both ends open chamber, the first of the vacuum cavity
Side wall includes being used for installing ion gun and conducted electricity the contact mounting hole that conducts electricity of contact, for the vacuum gauge mounting hole of vacuum gauge is installed with
And for installing the multiplier tube mounting hole of electron multiplier；The second sidewall relative with the first side wall includes being used for gas installation
Phase chromatogram and the transmitting device mounting hole of mass spectrum transmitting device；Set in the 3rd side wall between the first side wall and second sidewall
It is equipped with the molecular pump mounting hole for installing molecular pump；4th side wall includes being used for the tuning valve installation for installing tuning valve module
Hole.
The gas chromatography mass spectrometry vacuum cavity structure that described in prior art, uses at present is answered according in this patent background technology
Miscellaneous, each component assembling installation hole arrangement is unreasonable, thus brings installation and maintenance inconvenient, while be unfavorable for preferably vacuumizing；And
Gas chromatography mass spectrometry vacuum cavity disclosed by the invention, vacuum cavity design comparison is compact, and each component assembling mounting hole is rationally distributed, makes
Vacuum cavity internal volume is compressed to minimum, be advantageous to vacuum and take out more preferable, while this layout very convenient later stage is to instrument
Maintenance, it is more convenient to change each component.
In addition, following additional technical feature is also had according to gas chromatography mass spectrometry vacuum cavity disclosed by the invention：
Further, the opening at the vacuum cavity both ends includes the square orifice positioned at head end and the circle positioned at endpiece
Mouthful, it is described conduct electricity contact mounting hole and it is described tuning valve mounting hole and the transmitting device mounting hole and molecular pump mounting hole it is equal
Positioned at the square orifice side, the multiplier tube mounting hole site is in the circular port side, and the vacuum gauge mounting hole site is in institute
State and conduct electricity between contact mounting hole and the multiplier tube mounting hole.
Further, the square orifice is the sealing mounting hole for installing high vacuum seal transparent component, the circle
Shape mouth is the analyzer mounting hole for installation quality analyzer assembly.
Further, contact mounting hole and the vacuum gauge mounting hole and the electron multiplier mounting hole of conducting electricity
It is arranged in successively on the same axis of the first side.
Further, the transmitting device mounting hole site in second side and with the contact mounting hole that conducts electricity described
The homonymy of first side and the transmitting device mounting hole are incline structure.
Further, the both-side opening is one end circular open, and the other end is square aperture, the circular open and institute
It is coaxial to state square aperture, and the square aperture is located at the electron multiplier mounting hole side, the circular open is located at institute
State the contact mounting hole side that conducts electricity.
Further, it is described tuning valve mounting hole site in the contact mounting hole homonymy that conducts electricity.
Further, the molecular pump mounting hole site in the contact mounting hole homonymy that conducts electricity.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from the following description of the accompanying drawings of embodiments
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the first side schematic diagram of embodiments of the invention；
Fig. 2 is the second side schematic diagram of embodiments of the invention；
Fig. 3 is the 3rd side schematic view of embodiments of the invention；
Fig. 4 is the 4th side schematic view of embodiments of the invention；
Fig. 5 is Fig. 1 schematic top plan view；
Fig. 6 is Fig. 1 elevational schematic view；
In figure, 1 conducts electricity contact mounting hole, 2 vacuum gauge mounting holes, 3 electron multiplier mounting holes, 4 transmitting device mounting holes, 5 points
Sub- pump mounting hole, 6 tuning valve mounting holes, 7 vacuum sealing transparency window mounting holes, 8 quality analysis device assembly mounting holes.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
In the description of the invention, it is to be understood that term " on ", " under ", " bottom ", " top ", "front", "rear",
The orientation or position relationship of the instruction such as " interior ", " outer ", " horizontal stroke ", " perpendicular ", " inner side ", " outside " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " connection ", " connects
It is logical ", " connected ", " connection ", " cooperation " should be interpreted broadly, for example, it may be fixedly connected, be integrally connected or
It is detachably connected；It can be the connection of two element internals；Can be joined directly together, the indirect phase of intermediary can also be passed through
Even；" cooperation " can be the cooperation in face and face or the cooperation in point and face or line and face, and the also cooperation including hole axle is right
For one of ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Below with reference to accompanying drawings come describe the present invention steel bonding piece alignment device.
According to an embodiment of the invention, as shown in Fig. 1-6, gas chromatography mass spectrometry vacuum cavity disclosed by the invention, the vacuum
Cavity is the rectangular parallelepiped structure with both ends open chamber, and the first side wall of the vacuum cavity includes being used to install ion gun biography
The contact mounting hole 1 that conducts electricity of electrical contact, for installing the vacuum gauge mounting hole 2 of vacuum gauge and for installing electron multiplier
Multiplier tube mounting hole；The second sidewall relative with the first side wall includes being used for gas installation phase chromatogram and mass spectrum transmitting device
Transmitting device mounting hole 4；It is provided with the 3rd side wall between the first side wall and second sidewall for installing molecular pump
Molecular pump mounting hole 5；4th side wall includes being used for the tuning valve mounting hole 6 for installing tuning valve module.
The gas chromatography mass spectrometry vacuum cavity structure that described in prior art, uses at present is answered according in this patent background technology
Miscellaneous, each component assembling installation hole arrangement is unreasonable, thus brings installation and maintenance inconvenient, while be unfavorable for preferably vacuumizing；And
Gas chromatography mass spectrometry vacuum cavity disclosed by the invention, vacuum cavity design comparison is compact, and each component assembling mounting hole is rationally distributed, makes
Vacuum cavity internal volume is compressed to minimum, be advantageous to vacuum and take out more preferable, while this layout very convenient later stage is to instrument
Maintenance, it is more convenient to change each component.
In addition, following additional technical feature is also had according to gas chromatography mass spectrometry vacuum cavity disclosed by the invention：
According to an embodiment of the invention, the opening at the vacuum cavity both ends is included positioned at the square orifice of head end and positioned at tail
The circular port of section, it is described conduct electricity contact mounting hole 1 and the tuning valve mounting hole 6 and the transmitting device mounting hole 4 and point
Sub- pump mounting hole 5 is respectively positioned on the square orifice side, and the multiplier tube mounting hole site is in the circular port side, the vacuum gauge
Mounting hole 2 conducts electricity between contact mounting hole 1 and the multiplier tube mounting hole positioned at described.
Further, the square orifice is the sealing mounting hole for installing high vacuum seal transparent component, the circle
Mouth is the analyzer mounting hole for installation quality analyzer assembly.
According to an embodiment of the invention, contact mounting hole 1 and the vacuum gauge mounting hole 2 and the electronics of conducting electricity
Multiplier tube mounting hole 3 is arranged on the same axis of the first side successively.
According to an embodiment of the invention, the transmitting device mounting hole 4 be located in second side and with the contact that conducts electricity
Mounting hole 1 is incline structure in the homonymy of the first side and the transmitting device mounting hole 4.
According to an embodiment of the invention, the both-side opening is one end circular open, and the other end is square aperture, the circle
Shape opening and the square aperture are coaxial, and the square aperture is located at the side of electron multiplier mounting hole 3, the circle
Opening is positioned at the side of contact mounting hole 1 that conducts electricity.
According to an embodiment of the invention, the tuning valve mounting hole 6 is located at and the homonymy of contact mounting hole 1 that conducts electricity.
According to an embodiment of the invention, the molecular pump mounting hole 5 is located at and the homonymy of contact mounting hole 1 that conducts electricity.
It is any to refer to that " one embodiment ", " embodiment ", " illustrative examples " etc. mean to combine embodiment description
Specific component, structure or feature are contained at least one embodiment of the present invention.This specification everywhere this is schematic
Statement is not necessarily referring to identical embodiment.Specific component, structure or s person's feature are described with reference to any embodiment moreover, working as
When, advocated, component, structure or feature with reference to as being realized other embodiments all fall within those skilled in the art
Within the scope of.
Although detailed retouch is carried out to the embodiment of the present invention with reference to multiple illustrative examples of the present invention
State, it must be understood that those skilled in the art can be designed that various other improvement and embodiment, these improve and implemented
Example will fall within spirit and scope.Specifically, in the scope of foregoing disclosure, accompanying drawing and claim
Within, rational variations and modifications can be made in terms of the arrangement that parts and/or sub-combination are laid out, without departing from
The spirit of the present invention.Except the variations and modifications in terms of parts and/or layout, its scope is by appended claims and its is equal
Thing limits.
Claims (8)
1. a kind of gas chromatography mass spectrometry vacuum cavity, it is characterised in that the vacuum cavity is the cuboid with both ends open chamber
Structure, the first side wall of the vacuum cavity includes being used for installing ion gun and conducted electricity the contact mounting hole that conducts electricity of contact, for pacifying
Fill the vacuum gauge mounting hole of vacuum gauge and the multiplier tube mounting hole for installing electron multiplier；It is relative with the first side wall
Second sidewall include being used for the transmitting device mounting hole of gas installation phase chromatogram and mass spectrum transmitting device；Positioned at the first side wall and
The molecular pump mounting hole for installing molecular pump is provided with the 3rd side wall between two side walls；4th side wall includes being used to install
Tune the tuning valve mounting hole of valve module.
2. gas chromatography mass spectrometry vacuum cavity according to claim 1, it is characterised in that the vacuum cavity both ends it is described
Opening includes the square orifice positioned at head end and the circular port positioned at endpiece, conduct electricity contact mounting hole and the tuning valve installation
Hole and the transmitting device mounting hole and molecular pump mounting hole are respectively positioned on the square orifice side, the multiplier tube mounting hole site
In the circular port side, the vacuum gauge mounting hole site in it is described conduct electricity contact mounting hole and the multiplier tube mounting hole it
Between.
3. according to the described gas chromatography mass spectrometry vacuum cavity of any one of claim 2, it is characterised in that the square orifice
For the sealing mounting hole for installing high vacuum seal transparent component, the circular port is for installation quality analyzer assembly
Analyzer mounting hole.
4. gas chromatography mass spectrometry vacuum cavity according to claim 1, it is characterised in that it is described conduct electricity contact mounting hole with it is described
Vacuum gauge mounting hole and the electron multiplier mounting hole are arranged on the same axis of the first side successively.
5. gas chromatography mass spectrometry vacuum cavity according to claim 1, it is characterised in that the transmitting device mounting hole site is in
It is inclination in the homonymy of the first side and the transmitting device mounting hole on two side faces and with the contact mounting hole that conducts electricity
Structure.
6. gas chromatography mass spectrometry vacuum cavity according to claim 1, it is characterised in that the both-side opening is that one end circle is opened
Mouthful, the other end is square aperture, and the circular open and the square aperture are coaxial, and the square aperture is located at the electronics
Multiplier tube mounting hole side, the circular open is positioned at the contact mounting hole side that conducts electricity.
7. gas chromatography mass spectrometry vacuum cavity according to claim 1, it is characterised in that it is described tuning valve mounting hole site in institute
State the contact mounting hole homonymy that conducts electricity.
8. gas chromatography mass spectrometry vacuum cavity according to claim 1, it is characterised in that the molecular pump mounting hole site in institute
State the contact mounting hole homonymy that conducts electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710924716.4A CN107644803B (en) | 2017-10-01 | 2017-10-01 | Air-mass combined vacuum cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710924716.4A CN107644803B (en) | 2017-10-01 | 2017-10-01 | Air-mass combined vacuum cavity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107644803A true CN107644803A (en) | 2018-01-30 |
| CN107644803B CN107644803B (en) | 2024-03-19 |
Family
ID=61123241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710924716.4A Active CN107644803B (en) | 2017-10-01 | 2017-10-01 | Air-mass combined vacuum cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107644803B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1566828A2 (en) * | 2004-02-18 | 2005-08-24 | Andrew Hoffman | Mass spectrometer |
| CN101281165A (en) * | 2008-05-15 | 2008-10-08 | 复旦大学 | Ionization method and device for mass spectrometry sample |
| US20090184248A1 (en) * | 2008-01-17 | 2009-07-23 | Mang Ou-Yang | Thin type vacuum chamber device |
| CN102280350A (en) * | 2010-06-08 | 2011-12-14 | 江苏天瑞仪器股份有限公司 | Vacuum chamber system for mass spectrometer |
| KR20150094327A (en) * | 2014-02-11 | 2015-08-19 | (주)아이씨디 | High-degree vacuum chamber structure and system including them |
| CN105304456A (en) * | 2015-09-24 | 2016-02-03 | 钢研纳克检测技术有限公司 | Mass spectrometer vacuum cavity system applying small compound molecular pump |
| CN205385008U (en) * | 2016-03-17 | 2016-07-13 | 杨金凤 | Organic remaining material of food sets to music check out test set |
| CN105914125A (en) * | 2014-12-12 | 2016-08-31 | 塞莫费雪科学（不来梅）有限公司 | Vacuum system |
| CN205810760U (en) * | 2016-07-06 | 2016-12-14 | 安图实验仪器(郑州)有限公司 | Be suitable to the pumped vacuum systems of time of-flight mass spectrometer source housing |
| CN207800548U (en) * | 2017-10-01 | 2018-08-31 | 江苏天瑞仪器股份有限公司 | A kind of gas chromatography mass spectrometry vacuum cavity |
-
2017
- 2017-10-01 CN CN201710924716.4A patent/CN107644803B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1566828A2 (en) * | 2004-02-18 | 2005-08-24 | Andrew Hoffman | Mass spectrometer |
| US20090184248A1 (en) * | 2008-01-17 | 2009-07-23 | Mang Ou-Yang | Thin type vacuum chamber device |
| CN101281165A (en) * | 2008-05-15 | 2008-10-08 | 复旦大学 | Ionization method and device for mass spectrometry sample |
| CN102280350A (en) * | 2010-06-08 | 2011-12-14 | 江苏天瑞仪器股份有限公司 | Vacuum chamber system for mass spectrometer |
| KR20150094327A (en) * | 2014-02-11 | 2015-08-19 | (주)아이씨디 | High-degree vacuum chamber structure and system including them |
| CN105914125A (en) * | 2014-12-12 | 2016-08-31 | 塞莫费雪科学（不来梅）有限公司 | Vacuum system |
| CN105304456A (en) * | 2015-09-24 | 2016-02-03 | 钢研纳克检测技术有限公司 | Mass spectrometer vacuum cavity system applying small compound molecular pump |
| CN205385008U (en) * | 2016-03-17 | 2016-07-13 | 杨金凤 | Organic remaining material of food sets to music check out test set |
| CN205810760U (en) * | 2016-07-06 | 2016-12-14 | 安图实验仪器(郑州)有限公司 | Be suitable to the pumped vacuum systems of time of-flight mass spectrometer source housing |
| CN207800548U (en) * | 2017-10-01 | 2018-08-31 | 江苏天瑞仪器股份有限公司 | A kind of gas chromatography mass spectrometry vacuum cavity |
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| Publication number | Publication date |
|---|---|
| CN107644803B (en) | 2024-03-19 |
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