CN111024640A - Gas sample introduction device - Google Patents
Gas sample introduction device Download PDFInfo
- Publication number
- CN111024640A CN111024640A CN201911382541.4A CN201911382541A CN111024640A CN 111024640 A CN111024640 A CN 111024640A CN 201911382541 A CN201911382541 A CN 201911382541A CN 111024640 A CN111024640 A CN 111024640A
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- China
- Prior art keywords
- pcb
- air inlet
- sampling device
- connecting pipe
- gas
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000005070 sampling Methods 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 4
- LAXBNTIAOJWAOP-UHFFFAOYSA-N 2-chlorobiphenyl Chemical compound ClC1=CC=CC=C1C1=CC=CC=C1 LAXBNTIAOJWAOP-UHFFFAOYSA-N 0.000 description 7
- 101710149812 Pyruvate carboxylase 1 Proteins 0.000 description 7
- 238000002329 infrared spectrum Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004566 IR spectroscopy Methods 0.000 description 5
- 239000002775 capsule Substances 0.000 description 5
- 239000004202 carbamide Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 241000590002 Helicobacter pylori Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 229940037467 helicobacter pylori Drugs 0.000 description 3
- 210000004072 lung Anatomy 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a gas sample introduction device, which comprises a PCB (printed circuit board) and an air inlet nozzle; the air inlet nozzle is detachably connected to the PCB, an air outlet hole is formed in the top end of the air inlet nozzle above the PCB, an air inlet hole is formed in the side wall of the air inlet nozzle below the PCB and communicated with the air outlet hole, a sealing ring is fixedly connected to the outer circumferential side wall of the air inlet nozzle, and an ejector rod is fixedly connected to the bottom end of the air inlet nozzle vertically downwards.
Description
Technical Field
The invention relates to the technical field of gas treatment equipment, in particular to a gas sampling device.
Background
A commonly used method for detecting helicobacter pylori in human stomach is to take the medicine for human13C-Urea Capsule, helicobacter pylori rapidly decomposes Urea Capsule into CO2And the medicine is taken through the detection of a thirteen carbon infrared spectrometer after being eliminated by the expiration of the lung13Before and after the C-urea capsule13CO2And12CO2the ratio change of the concentration is used for judging the infection of the helicobacter pylori, and the prior air bag realizes the administration13The collection of the gas exhaled by the lung behind the C-urea capsule, however, the existing gas sampling device has poor tightness between the gas inlet nozzle and the bag opening when the gas collected in the gas bag is generally extracted, so that the gas in the gas bag is leaked, the detection data is inaccurate, and inconvenience is brought to a user.
Disclosure of Invention
The invention aims to provide a gas sampling device to solve the problem of poor sealing performance between a gas inlet nozzle and a bag opening when gas collected in a gas bag is generally extracted in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the gas sampling device comprises a PCB and an air inlet nozzle;
the detachable type air inlet nozzle is connected to a PCB, an air outlet is formed in the top end of the air inlet nozzle above the PCB, an air inlet is formed in the side wall of the air inlet nozzle below the PCB and communicated with the air outlet, a sealing ring is fixedly connected to the outer side wall of the circumference of the air inlet nozzle, and an ejector rod is fixedly connected to the bottom end of the air inlet nozzle downwards vertically.
As a further scheme of the invention: the inside of the air inlet nozzle is hollow;
the suction nozzle comprises a suction pipe and a connecting pipe which are communicated with each other, the connecting pipe is fixedly connected to the PCB and extends to the upper side of the PCB, and the connecting pipe extends to the upper side of the PCB so as to facilitate air exhaust treatment.
As a further scheme of the invention: a nut is connected to the connecting pipe above the PCB in a threaded manner, an external thread for nut threaded connection is formed in the connecting pipe, when the connecting pipe needs to be fixedly connected to the PCB, a worker penetrates one end of the connecting pipe through the PCB and extends to the upper side of the connecting pipe, the worker screws the nut on the connecting pipe, and the connecting pipe is fixedly connected to the PCB through the nut; when the connecting pipe is taken off from the PCB board, the nut is manually rotated in the reverse direction by a worker, the nut is taken off from the connecting pipe, then the connecting pipe is taken off from the PCB board, and the connecting pipe is detached from the PCB board.
As a further scheme of the invention: the PCB is provided with a through hole for the connecting pipe to pass through, the diameter of the through hole and the outer diameter value of the cross section of the connecting pipe are smaller than the outer diameter value of the cross section of the air inlet pipe, and the air inlet pipe is prevented from passing through the through hole.
As a further scheme of the invention: the sealing rings are two, the air inlet nozzle is provided with an annular groove for fixedly connecting the sealing rings, and when the air bag opening is sleeved on the air inlet nozzle, the air bag opening and the air inlet nozzle are connected in an airtight mode due to the action of the air bag and the sealing rings.
As a further scheme of the invention: still fixedly connected with dabs the switch on the PCB board, the sheetmetal that dabs the switch is located the one side of intake pipe, and dabs and be provided with the sheath between the sheetmetal of switch and the sealing washer, sheath swing joint is on the suction nozzle because the sheath is located and dabs between the sheetmetal of switch and the sealing washer, prevents that the sheath from dropping on the suction nozzle, when the air pocket is established to the cover on the suction nozzle, through the sack extrusion sheath of air pocket to realize that the sheath moves on the metallic nozzle, when the air pocket inserts the appointed position of suction nozzle, can sound simultaneously can the feedback signal give infrared spectrum instrument, and infrared spectrum instrument can start to take out the gas in the air pocket through the pipeline.
As a further scheme of the invention: the sheath includes a movable section of thick bamboo and circular slab, all set up the through-hole that is used for swing joint's suction nozzle on a movable section of thick bamboo and the circular slab, be convenient for a movable section of thick bamboo and circular slab through setting up of through-hole and remove on the suction nozzle.
As a further scheme of the invention: still include infrared spectrometer, infrared spectrometer's winding displacement interface is connected with the switch electricity that dabs, and when the air pocket inserted the position that the suction nozzle was appointed, the sack of air pocket made the sheath move on the suction nozzle, promoted the sheetmetal that dabs the switch through the sheath, and then transmitted the signal to giving infrared spectroscopy instrument through the winding displacement interface, and infrared spectroscopy instrument can start to take out the gas in the air pocket through the pipeline.
Compared with the prior art, the invention has the beneficial effects that: the air inlet nozzle is detachably connected to the PCB, so that the air inlet nozzle can be conveniently mounted and dismounted on the PCB, when the connecting pipe is required to be fixedly connected to the PCB, a worker penetrates one end of the connecting pipe through the PCB and extends to the upper side of the connecting pipe, the worker screws a nut on the connecting pipe, and the connecting pipe is fixedly connected to the PCB through the nut; when the connecting pipe needs to be taken down from the PCB, a worker reversely and manually rotates the nut, takes the nut down from the connecting pipe, and then takes the connecting pipe down from the PCB, so that the connecting pipe is taken down from the PCB; through fixedly connected with sealing washer on the circumference lateral wall at the suction nozzle, when the sack cover of air pocket was established on the suction nozzle, because the air pocket has realized the gas tightness when air pocket sack and suction nozzle are connected with the effect of sealing washer, the vertical fixedly connected with ejector pin down in bottom of suction nozzle is convenient for open the sack of air pocket, when establishing the air pocket upwards on the suction nozzle, because the effect of ejector pin realizes opening the air pocket, this kind of gaseous sampling device has realized before the gas in the extraction air pocket that the air pocket is fixed.
Drawings
FIG. 1 is a first schematic diagram of a gas sampling device;
FIG. 2 is a second schematic diagram of a gas sampling device;
FIG. 3 is a schematic diagram of a PCB in a gas sampling device;
FIG. 4 is a first schematic diagram of a sheath in a gas sampling apparatus;
FIG. 5 is a second schematic diagram of a sheath in the gas sampling apparatus;
FIG. 6 is a schematic view of a gas inlet nozzle in a gas sampling device;
FIG. 7 is a schematic view of a sealing ring in a gas sampling device;
FIG. 8 is a schematic view of an air inlet nozzle and a tact switch in the gas sampling apparatus;
FIG. 9 is a circuit diagram of a tact switch and a flat cable interface in the gas sampling device;
FIG. 10 is a schematic view of an air bag;
in the figure: 1. a PCB board; 2. an air inlet nozzle; 3. an air outlet; 4. an air inlet; 5. a seal ring; 6. ejecting the rod; 7. an air inlet pipe; 8. a connecting pipe; 9. a nut; 10. a through hole; 11. an annular groove; 12. a tact switch; 13. a sheath; 14. a movable barrel; 15. a circular plate; 16. a through hole; 17. a flat cable interface; 18. a metal sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, in an embodiment of the present invention, a gas sampling device includes a PCB 1 and a gas inlet nozzle 2;
the formula of dismantling of suction nozzle 2 is connected on PCB board 1, venthole 3 has been seted up on 2 tops of suction nozzle that are located PCB board 1 top, inlet port 4 has been seted up on 2 lateral walls of suction nozzle that are located PCB board 1 below, inlet port 4 is linked together with venthole 3, fixedly connected with sealing washer 5 on 2 circumference lateral walls of suction nozzle, the vertical fixedly connected with ejector beam 6 down in bottom of suction nozzle 2, ejector beam 6 sets up when upwards establishing the air pocket and establish on suction nozzle 2, because ejector beam 6's effect is realized opening the air pocket.
The material of suction nozzle 2 is stainless steel material, and the material of sealing washer 5 is the rubber material.
The inside of the air inlet nozzle 2 is hollow;
the suction nozzle 2 comprises an air inlet pipe 7 and a connecting pipe 8 which are communicated with each other, the connecting pipe 8 is fixedly connected to the PCB board 1 and extends to the upper part of the PCB board 1, and the connecting pipe 8 extends to the upper part of the PCB board 1, so that air exhaust treatment is facilitated.
A nut 9 is connected to a connecting pipe 8 above the PCB 1 in a threaded manner, an external thread for threaded connection of the nut 9 is arranged on the connecting pipe 8, when the connecting pipe 8 needs to be fixedly connected to the PCB 1, a worker penetrates one end of the connecting pipe 8 through the PCB 1 and extends to the upper side of the connecting pipe, the worker screws the nut 9 on the connecting pipe 8, and the connecting pipe 8 is fixedly connected to the PCB 1 through the nut 9; when connecting pipe 8 needs to be taken down from PCB board 1, the reverse manual rotation nut 9 of staff takes off nut 9 from connecting pipe 8, later takes off connecting pipe 8 from PCB board 1, has realized promptly dismantling connecting pipe 8 from PCB board 1.
A through hole 10 for the connecting pipe 8 to penetrate through is formed in the PCB 1, the diameter of the through hole 10 and the outer diameter value of the cross section of the connecting pipe 8 are smaller than the outer diameter value of the cross section of the air inlet pipe 7, and the air inlet pipe 7 is prevented from penetrating through the through hole 10.
The number of the sealing rings 5 is two, the air inlet nozzle 2 is provided with an annular groove 11 for fixedly connecting the sealing rings 5, and when the bag mouth of the air bag is sleeved on the air inlet nozzle 2, the air bag is arrangedThe air tightness when the bag mouth of the air bag is connected with the air inlet nozzle 2 is realized under the action of the sealing ring 5, wherein the air in the air bag is taken13C-air exhaled by the lung after urea capsule.
Still fixedly connected with dabs switch 12 on PCB board 1, the sheetmetal 18 that dabs switch 12 is located the one side of intake pipe 2, and be provided with sheath 13 between the sheetmetal 18 and the sealing washer 5 that dabs switch 12, sheath 13 swing joint is on intake nozzle 2, because sheath 13 is located and dabs between sheetmetal 18 and the sealing washer 5 of switch 12, prevent that sheath 13 from dropping on intake nozzle 2, when the air pocket is established to the cover on intake nozzle 2, bag mouth extrusion sheath 13 through the air pocket, thereby realize that sheath 13 moves on intake nozzle 2, when the air pocket inserts the position that intake nozzle 2 appointed, can sound simultaneously can feedback signal and give infrared spectrum instrument, infrared spectrum instrument can start to take out the gas in the air pocket through the pipeline.
The sheath 13 includes a movable cylinder 14 and a circular plate 15, and a through hole 16 used for the air intake nozzle 2 of swing joint is all seted up on the movable cylinder 14 and the circular plate 15, and the movable cylinder 14 and the circular plate 15 of being convenient for move on the air intake nozzle 2 through the setting of through hole 16.
Still include infrared spectrometer, infrared spectrometer's winding displacement interface 17 is connected with dabbing switch 12 electricity, and when the air pocket inserted the position that the suction nozzle 2 was appointed, the sack of air pocket made sheath 13 remove on suction nozzle 2, promoted dabbing switch 12's sheetmetal 18 through sheath 13, and then transmitted the signal to giving infrared spectroscopy instrument through winding displacement interface 17, and infrared spectroscopy instrument can start and take out the gas in the air pocket through the pipeline.
When the infrared spectrum instrument is used, a worker penetrates one end of a connecting pipe 8 through a PCB (printed Circuit Board) 1 and extends to the upper part of the PCB, the worker screws a nut 9 on the connecting pipe 8, the connecting pipe 8 is fixedly connected to the PCB 1 through the nut 9, when an air bag is sleeved on an air inlet nozzle 2, a protective sleeve 13 is extruded through a bag opening of the air bag, when the air bag is inserted into a position appointed by the air inlet nozzle 2, the protective sleeve 13 moves on the air inlet nozzle 2 through the bag opening of the air bag, a metal sheet 18 of a tact switch 12 is pushed through the protective sleeve 13, signals are transmitted to an infrared spectrum instrument through a flat cable interface 17, and the infrared spectrum instrument starts to pump gas in the air bag through a pipeline.
After the gas in the gas pocket is extracted, the staff takes off the gas pocket from PCB board 1, because the gas pocket takes off on the suction nozzle, the sack of gas pocket does not extrude sheath 13, because the effect of sheath 13 gravity realizes that sheath 13 moves down on suction nozzle 2, because sheath 13 does not extrude the sheetmetal 18 that dabs switch 12 this moment to dabble switch 12 disconnection stops infrared spectroscopy instrument and draws the gas in the gas pocket through the pipeline.
"fixedly connected" as described in the present invention means that two parts connected to each other are fixed together, typically by welding, screwing or gluing; "rotationally coupled" means that two components are coupled together and capable of relative motion.
Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.
Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (8)
1. The gas sampling device is characterized by comprising a PCB (printed circuit board) and an air inlet nozzle (2);
suction nozzle (2) dismantlement formula is connected on PCB board (1), is located venthole (3) have been seted up on suction nozzle (2) top of PCB board (1) top, are located inlet port (4) have been seted up on suction nozzle (2) lateral wall of PCB board (1) below, inlet port (4) are linked together with venthole (3), fixedly connected with sealing washer (5) on the circumference lateral wall of suction nozzle (2), vertical fixedly connected with ejector pin (6) down in the bottom of suction nozzle (2).
2. The gas sampling device according to claim 1, characterized in that the inside of the gas inlet nozzle (2) is hollow;
the air inlet nozzle (2) comprises an air inlet pipe (7) and a connecting pipe (8) which are communicated with each other, and the connecting pipe (8) is fixedly connected to the PCB (1) and extends to the upper part of the PCB (1).
3. The gas sampling device according to claim 2, wherein a nut (9) is connected to the connecting pipe (8) above the PCB (1) in a threaded manner, and an external thread for connecting the nut (9) in a threaded manner is formed on the connecting pipe (8).
4. The gas sampling device according to claim 3, wherein the PCB (1) is provided with a through hole (10) for the connection pipe (8) to pass through.
5. The gas sampling device according to claim 1, wherein the number of the sealing rings (5) is two, and an annular groove (11) for fixedly connecting the sealing rings (5) is formed on the air inlet nozzle (2).
6. The gas sampling device according to claim 1, wherein a tact switch (12) is further fixedly connected to the PCB (1), a metal sheet (18) of the tact switch (12) is located on one side of the gas inlet pipe (2), a sheath (13) is arranged between the metal sheet (18) of the tact switch (12) and the sealing ring (5), and the sheath (13) is movably connected to the gas inlet nozzle (2).
7. The gas sampling device according to claim 6, characterized in that the sheath (13) comprises a movable cylinder (14) and a circular plate (15), and through holes (16) for movably connecting the air intake nozzles (2) are formed in the movable cylinder (14) and the circular plate (15).
8. The gas sampling device according to claim 6, further comprising an infrared spectrometer, wherein the flat cable interface (17) of the infrared spectrometer is electrically connected with the tact switch (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911382541.4A CN111024640A (en) | 2019-12-27 | 2019-12-27 | Gas sample introduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911382541.4A CN111024640A (en) | 2019-12-27 | 2019-12-27 | Gas sample introduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111024640A true CN111024640A (en) | 2020-04-17 |
Family
ID=70197085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911382541.4A Pending CN111024640A (en) | 2019-12-27 | 2019-12-27 | Gas sample introduction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111024640A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557119A (en) * | 2020-05-18 | 2021-03-26 | 广州智达实验室科技有限公司 | Automatic air bag sample introduction device and air bag |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4621534A (en) * | 1983-09-14 | 1986-11-11 | Carlo Erba Strumentazione S.P.A. | Automatic sample apparatus, valve and sampling method |
| CN1495421A (en) * | 1995-10-09 | 2004-05-12 | ��V��ҩ��ʽ���� | Breathing gas sampler bag and gas measurer |
| CN204717105U (en) * | 2015-05-28 | 2015-10-21 | 深圳市德平国瀚汽车电子科技有限公司 | A kind of new automobile multi-joint air-operated solenoid valve group device |
| CN206132714U (en) * | 2016-10-28 | 2017-04-26 | 上海兰博贸易有限公司 | Gaseous automatic sample introduction device |
| US20170138485A1 (en) * | 2014-07-04 | 2017-05-18 | Huifeng TANG | Gas sampling bag valve with sealing rings moving back and forth to control lateral gas nozzle |
| CN206668501U (en) * | 2017-04-20 | 2017-11-24 | 深圳市中核海得威生物科技有限公司 | One kind, which is exhaled, detects airbag evacuator |
| CN207751954U (en) * | 2018-02-02 | 2018-08-21 | 新乡市润宇新材料科技有限公司 | A kind of vacuum sampling device of gas chromatograph |
| CN207908228U (en) * | 2018-01-19 | 2018-09-25 | 江苏蓝天安全科技有限公司 | A kind of gas sampling connector |
| CN209198400U (en) * | 2018-12-11 | 2019-08-02 | 北京普析通用仪器有限责任公司 | A kind of electric spray sample introduction device for gas-chromatography |
-
2019
- 2019-12-27 CN CN201911382541.4A patent/CN111024640A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4621534A (en) * | 1983-09-14 | 1986-11-11 | Carlo Erba Strumentazione S.P.A. | Automatic sample apparatus, valve and sampling method |
| CN1495421A (en) * | 1995-10-09 | 2004-05-12 | ��V��ҩ��ʽ���� | Breathing gas sampler bag and gas measurer |
| US20170138485A1 (en) * | 2014-07-04 | 2017-05-18 | Huifeng TANG | Gas sampling bag valve with sealing rings moving back and forth to control lateral gas nozzle |
| CN204717105U (en) * | 2015-05-28 | 2015-10-21 | 深圳市德平国瀚汽车电子科技有限公司 | A kind of new automobile multi-joint air-operated solenoid valve group device |
| CN206132714U (en) * | 2016-10-28 | 2017-04-26 | 上海兰博贸易有限公司 | Gaseous automatic sample introduction device |
| CN206668501U (en) * | 2017-04-20 | 2017-11-24 | 深圳市中核海得威生物科技有限公司 | One kind, which is exhaled, detects airbag evacuator |
| CN207908228U (en) * | 2018-01-19 | 2018-09-25 | 江苏蓝天安全科技有限公司 | A kind of gas sampling connector |
| CN207751954U (en) * | 2018-02-02 | 2018-08-21 | 新乡市润宇新材料科技有限公司 | A kind of vacuum sampling device of gas chromatograph |
| CN209198400U (en) * | 2018-12-11 | 2019-08-02 | 北京普析通用仪器有限责任公司 | A kind of electric spray sample introduction device for gas-chromatography |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557119A (en) * | 2020-05-18 | 2021-03-26 | 广州智达实验室科技有限公司 | Automatic air bag sample introduction device and air bag |
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Application publication date: 20200417 |
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