CN206194693U - Membrane sampling device of online ionic pump quadrupole mass spectrum system - Google Patents
Membrane sampling device of online ionic pump quadrupole mass spectrum system Download PDFInfo
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- CN206194693U CN206194693U CN201620963251.4U CN201620963251U CN206194693U CN 206194693 U CN206194693 U CN 206194693U CN 201620963251 U CN201620963251 U CN 201620963251U CN 206194693 U CN206194693 U CN 206194693U
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Abstract
The utility model belongs to the technical field of mass spectrum system analysis, a in particular to germplasm pedigree is used membrane sampling device all. Membrane sampling device of online ionic pump quadrupole mass spectrum system, it includes: go up gland (1), lower gland (2), membrane (3), adapter (6) and two three solenoid valve (7), membrane (3) upper surface through supporting lining net (2) and setting up under gland (5) to compress tightly by last gland (1), be equipped with sealing washer (4) under, between gland (5) at last gland (1), the lower surface of under gland (5) is installed in adapter (6), be equipped with the decompression micropore on two three solenoid valve (7), the normal close end and the quadrupole mass spectrum headtotail of two three solenoid valve (7), both ends are connected with diaphragm pump, adapter (6) respectively in addition. The utility model is suitable for an appearance of advancing of online ionic pump quadrupole mass spectrum system is used, simple structure, and the enrichment is efficient, response speed is fast, can guarantee that vacuum system is not destroyed.
Description
Technical field
The utility model belongs to mass spectrometer system analysis technical field, the film sample introduction dress used by more particularly to a kind of mass spectrometer system
Put.
Background technology
At present, the film sampling device used by mass spectrometer system primarily directed to by molecular pump produce vacuum flight time, from
On the mass spectrometer systems such as sub- trap, the film sampling device of the level Four mass spectrometer system of vacuum is not produced specifically designed for ionic pump.Due to
Ionic pump is a closed module, using ionic pump produce vacuum purpose be exactly can also be kept when instrument is stopped compared with
Vacuum environment high, so as to from largely lifting instrument operating efficiency and the life-span.Meanwhile, when four-electrode spectrum system works
Ensure preferable vacuum, to ensure normal work and reduce loss, improve the life-span.
The content of the invention
The purpose of this utility model is：There is provided one kind has bioaccumulation efficiency high, fast response time and ensures vacuum system not
The film sampling device specifically designed for the online level Four mass spectrometer system that vacuum is produced with ionic pump of destroyed feature.
The technical solution of the utility model is：The film sampling device of online ionic pump four-electrode spectrum system, it includes：Upper pressure
Lid, lower cover, film, adapter and two-bit triplet magnetic valve；
Upper press cover is respectively arranged on the left side and the right side the gas passage communicated with lower surface, wherein one is air intake duct, it is another
Bar is air exhaust duct；
The upper surface of lower cover is provided with groove, and the through hole for running through is provided with center, is provided with the lower surface of lower cover
The mounting hole of adapter；
Film is arranged on the upper surface of lower cover by supporting lining net, and is compressed by upper press cover, between upper press cover, lower cover
It is provided with sealing ring；Adapter is arranged on the lower surface of lower cover；
Two-bit triplet magnetic valve is provided with decompression micropore, and normal-closed end and the four-electrode spectrum system of two-bit triplet magnetic valve connect
Connect, two ends are connected with membrane pump, adapter respectively in addition.
Beneficial effect：The sample introduction that the utility model is applied to online ionic pump four-electrode spectrum system is used, simple structure, rich
Collect efficiency high, fast response time, can ensure that vacuum system is not destroyed safe and reliable and long service life.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
Developed simultaneously embodiment below in conjunction with the accompanying drawings, and the utility model is described in detail.
Referring to accompanying drawing 1, the film sampling device of online ionic pump four-electrode spectrum system, it includes：Upper press cover 1, lower cover 2,
Film 3, adapter 6 and two-bit triplet magnetic valve 7；
Upper press cover 1 is respectively arranged on the left side and the right side the gas passage communicated with lower surface, wherein one is air intake duct 11, separately
One is air exhaust duct 12；Air intake duct 11 is located at the relative position in the two sides of upper press cover 1 with air exhaust duct 12, can be effectively increased gas and exist
The flow distance on the surface of film 3, improves the effective area of film 3, improves bioaccumulation efficiency.
The upper surface of lower cover 5 is provided with groove, and the through hole for running through is provided with center, is set in the lower surface of lower cover 5
There is the mounting hole of adapter 6；
Film 3 is arranged on the upper surface of lower cover 5 by supporting lining net 2, and is compressed by upper press cover 1, in upper press cover 1, pushes
Sealing ring 4 is provided between lid 5, sealing ring uses silastic material, it is to avoid the absorption of material for gaseous；Adapter 6 is arranged on down
The lower surface of gland 5；
Two-bit triplet magnetic valve 7 is provided with decompression micropore, and normal-closed end and the four-electrode spectrum system of two-bit triplet magnetic valve 7 connect
Connect, one end is connected by tubule 8 (1/16 stainless steel tube) with adapter 6, and the other end is connected with membrane pump；Pipeline uses cutting ferrule
Formula pipe joint is attached, not only easy disassembly but also safe and reliable.
The utility model two-position three-way valve 6 when not working is normally closed ensureing that the vacuum of four-electrode spectrum system is not destroyed.
The utility model is simultaneously using the membrane pump being connected on two-bit triplet magnetic valve 6 and installed in two-bit triplet electromagnetism
Micropore in the valve body of valve 6 is depressurized, and reduces the pressure difference in injection port and four-electrode spectrum system, it is ensured that in four-electrode spectrum system
Vacuum is maintained at rational scope.
The course of work of the present utility model is as follows：Gas is pumped into sampling device by aspiration pump, one due to pressure difference
Divide gas to be enriched with the part entered behind sample introduction film 3 by film 3, by the decompression of membrane pump and micropore, eventually enter into quadrupole matter
Spectra system；Sample introduction whether switching is carried out by controlling two-bit triplet magnetic valve 6.
In sum, preferred embodiment of the present utility model is these are only, is not intended to limit of the present utility model
Protection domain.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc. all should be wrapped
It is contained within protection domain of the present utility model.
Claims (4)
1. the film sampling device of online ionic pump four-electrode spectrum system, it is characterized in that, it includes：Upper press cover (1), lower cover (5),
Film (3), adapter (6) and two-bit triplet magnetic valve (7)；
The upper press cover (1) is respectively arranged on the left side and the right side the gas passage communicated with lower surface, wherein one is air intake duct
(11), another is air exhaust duct (12)；
The upper surface of the lower cover (5) is provided with groove, and the through hole for running through is provided with center, in the lower cover (5)
Lower surface is provided with the mounting hole of the adapter (6)；
The film (3) is arranged on the upper surface of the lower cover (5) by supporting lining net (2), and is pressed by the upper press cover (1)
Tightly, sealing ring (4) is provided between the upper press cover (1), the lower cover (5)；The adapter (6) pushes installed in described
Cover the lower surface of (5)；
The two-bit triplet magnetic valve (7) is provided with decompression micropore, normal-closed end and the quadrupole matter of the two-bit triplet magnetic valve (7)
Spectra system is connected, and two ends are connected with membrane pump, the adapter (6) respectively in addition.
2. the film sampling device of ionic pump four-electrode spectrum system as claimed in claim 1 online, it is characterized in that, the sealing ring
(4) silastic material is used.
3. the film sampling device of ionic pump four-electrode spectrum system as claimed in claim 1 or 2 online, it is characterized in that, described two
Position-3-way solenoid valve (7) is connected by tubule (8) with the adapter (6).
4. the film sampling device of ionic pump four-electrode spectrum system as claimed in claim 3 online, it is characterized in that, the tubule
(8) it is 1/16 stainless steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620963251.4U CN206194693U (en) | 2016-08-29 | 2016-08-29 | Membrane sampling device of online ionic pump quadrupole mass spectrum system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620963251.4U CN206194693U (en) | 2016-08-29 | 2016-08-29 | Membrane sampling device of online ionic pump quadrupole mass spectrum system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206194693U true CN206194693U (en) | 2017-05-24 |
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ID=58727813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620963251.4U Active CN206194693U (en) | 2016-08-29 | 2016-08-29 | Membrane sampling device of online ionic pump quadrupole mass spectrum system |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107958831A (en) * | 2017-12-08 | 2018-04-24 | 北京市北分仪器技术有限责任公司 | A kind of mass spectrograph modularization film sampling device |
| CN109813826A (en) * | 2018-12-20 | 2019-05-28 | 北京雪迪龙科技股份有限公司 | A kind of sampling device and portable mass spectrometer of portable mass spectrometer |
| CN113607800A (en) * | 2021-07-27 | 2021-11-05 | 中国计量科学研究院 | Rapid mass spectrometry detection device and detection method for detecting rubber content in plant |
-
2016
- 2016-08-29 CN CN201620963251.4U patent/CN206194693U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107958831A (en) * | 2017-12-08 | 2018-04-24 | 北京市北分仪器技术有限责任公司 | A kind of mass spectrograph modularization film sampling device |
| CN107958831B (en) * | 2017-12-08 | 2023-07-25 | 北京市北分仪器技术有限责任公司 | Modularized membrane sampling device for mass spectrometer |
| CN109813826A (en) * | 2018-12-20 | 2019-05-28 | 北京雪迪龙科技股份有限公司 | A kind of sampling device and portable mass spectrometer of portable mass spectrometer |
| CN113607800A (en) * | 2021-07-27 | 2021-11-05 | 中国计量科学研究院 | Rapid mass spectrometry detection device and detection method for detecting rubber content in plant |
| CN113607800B (en) * | 2021-07-27 | 2023-08-25 | 中国计量科学研究院 | Rapid mass spectrum detection device and detection method for detecting rubber content in plants |
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