CN101832888B - Automatic multi-path persistent gas-supply optional sampling device - Google Patents
Automatic multi-path persistent gas-supply optional sampling device Download PDFInfo
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- CN101832888B CN101832888B CN2010101836493A CN201010183649A CN101832888B CN 101832888 B CN101832888 B CN 101832888B CN 2010101836493 A CN2010101836493 A CN 2010101836493A CN 201010183649 A CN201010183649 A CN 201010183649A CN 101832888 B CN101832888 B CN 101832888B
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- 238000005070 sampling Methods 0.000 title claims abstract description 31
- 230000002085 persistent effect Effects 0.000 title claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 129
- 238000002347 injection Methods 0.000 claims abstract description 33
- 239000007924 injection Substances 0.000 claims abstract description 33
- 239000002912 waste gas Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 5
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920001973 fluoroelastomer Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 3
- 206010011409 Cross infection Diseases 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
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Abstract
The invention relates to a sample gas optional sampling device, in particular to an automatic multi-path persistent gas-supply optional sampling device suitable for an industrial mass spectrometer. In the device, a multi-channel connecting module is provided with a plurality of multi-path gas source sample injection ports, a waste gas exhaust port, an output port for supplying sample gas to a detecting instrument, a sample gas path channel and a plurality of control electromagnetic valves. When the device is not used for sampling, the sample gas path channel is connected with the exhaust port, and gas is automatically exhausted without gathering in the module to continuously raise the pressure; when a gas sample needs to enter a path, a control circuit sends out a signal to a normally closed electromagnetic valve of the path, and then the normally closed electromagnetic valve is switched on to ensure that the sample injection port is connected with the sample gas path channel; and after the sample injection is finished, the normally closed electromagnetic valve acts to return to a normal state so as to finish a sample injection process. The sample gas optional sampling device has the advantages of simple structure and easy processing, and meanwhile, by depending on the fluid structure of a connecting block, any gas source can be sampled and sent to the detecting instrument, and all the gas sources also can be guaranteed to have no cross-infections.
Description
Technical field
The present invention relates to a kind of sample gas optional sampling device, particularly a kind ofly be applicable to industrial mass spectrometric automatic multi-path persistent gas-supply optional sampling device.
Background technology
Mass spectrometer is the instrument that carries out mass spectrophotometry, according to charged particle can deflection in electromagnetic field principle, by the instrument that the mass discrepancy of material atom, molecule or molecular fragment is separated and detection material is formed.The industry mass spectrometer is applied to the important testing tool in a plurality of fields such as modern scientific research, geology, oil, medical science, environmental protection, agricultural, generally is online uninterrupted use, monitors in real time.It often will detect respectively various sources of the gas, and these detect the continuous air feed of source of the gas.
The industry mass spectrometer is the important testing tool of the online uninterrupted uses in a plurality of fields such as modern scientific research, geology, oil, medical science, environmental protection, agricultural, thereby realizes monitoring in real time.It often will detect respectively various sources of the gas; And these detect the continuous air feed of source of the gas; Testing process is respectively different sources of the gas to be detected the different periods, and certain sampling thief requires and can send into detector to arbitrary source of the gas sampling, guarantees each not cross pollution of source of the gas again; Require other source of the gas emptying equally, build-up of pressure constantly raises in order to avoid all gases mixes.Can know its sampling device requirement continuous working by above-mentioned requirements, and should freely select injection port, detect each circuit-switched data flexibly, and existing rotary valve technology be difficult to realize select flexibly sample tap, only can one the tunnel one the tunnel sample successively.
Summary of the invention
The technical matters that the present invention will solve provides a kind of simple in structure, automatic multi-path persistent gas-supply optional sampling device of being easy to process, under circuit control, can selecting very easily certain road appearance gas; This optional sampling device can successively provide mass spectrometer and detect appearance gas, can guarantee each not cross pollution of source of the gas again.
For solving the problems of the technologies described above; Described automatic multi-path persistent gas-supply optional sampling device; Comprise that a hyperchannel link block, a plurality of multichannel source of the gas injection port, an exhaust gas evacuation mouth, one provide delivery outlet, a sample gas channels and a plurality of solenoid valve of kind gas to detecting instrument, said multichannel source of the gas injection port, exhaust gas evacuation mouth, delivery outlet, sample gas paths and solenoid valve all are arranged on the said hyperchannel link block; It is characterized in that: said exhaust gas evacuation mouth is connected with said sample gas paths through a normally open solenoid valve, and when not working, the sample gas in the sample gas paths is discharged from the exhaust gas evacuation mouth; Said each multichannel source of the gas injection port is connected with said sample gas paths through a normally closed solenoid valve respectively; When a multichannel source of the gas injection port sample introduction; Control is sent signal to the normally closed solenoid valve of this multichannel source of the gas injection port, and this multichannel source of the gas injection port and sample gas paths are connected; Said delivery outlet is connected with said sample gas paths.
Wherein, a plurality of said hyperchannel link blocks are connected in series, and the sample gas paths on each hyperchannel link block is interconnected, and leads to a delivery outlet; Emptying breather line on each hyperchannel link block is interconnected, and leads to an exhaust gas evacuation mouth.
Wherein, be provided with the pump that is used to extract out waste gas at said exhaust gas evacuation mouth place.
Wherein, the pipeline of said multichannel source of the gas injection port, delivery outlet, exhaust gas evacuation mouth and sample gas paths constitutes by ethylene-propylene-diene rubber, fluororubber or butyronitrile rubber material.
The composition core of automatic multi-path persistent gas-supply optional sampling device of the present invention is a hyperchannel link block, and this hyperchannel link block is provided with a plurality of multichannel source of the gas injection ports, an exhaust gas evacuation mouth, one and to detecting instrument delivery outlet, a sample gas channels and a plurality of control electromagnetic valve of kind gas is provided; Sample gas is connected with the source of the gas injection port of module, and solenoid valve is then unified to be installed on the hyperchannel link block of the present invention.When not sampling, the sample gas paths is connected with evacuation port, the automatic emptying of gas and can not accumulate in pressure is constantly raise.When the sample introduction of needs road, control circuit sends signal to this road normally closed solenoid valve, and the normally closed solenoid valve conducting makes injection port be connected with the sample gas paths, treats to make after sample introduction is accomplished the normally closed solenoid valve action to return to normal again, and accomplishes the single injected sampling process thus.
Advantage of the present invention is simple in structure, is easy to processing, and the runner volume is little, under circuit control, can select certain road gas sampling to realize the real-time monitoring of instrument to each road gas arbitrarily.Rely on the fluidic structures of contiguous block to guarantee and to have sent into detector to arbitrary source of the gas sampling simultaneously, can guarantee each not cross pollution of source of the gas again.
Description of drawings
Fig. 1 is the structural representation of automatic multi-path persistent gas-supply optional sampling device of the present invention.
Fig. 2 is the work gas circuit synoptic diagram of automatic multi-path persistent gas-supply optional sampling device of the present invention.
Among the figure: 1. sample gas paths, 2. delivery outlet, 3. normally closed solenoid valve, 4. multichannel source of the gas injection port, 5. exhaust gas evacuation mouth, 6. normally open solenoid valve.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further:
Automatic multi-path persistent gas-supply optional sampling device as depicted in figs. 1 and 2; Comprise that a hyperchannel link block, a plurality of multichannel source of the gas injection port 4, an exhaust gas evacuation mouth 5, one provide delivery outlet 2, a sample gas channels 1 and a plurality of solenoid valve of kind gas to detecting instrument, said multichannel source of the gas injection port 4, exhaust gas evacuation mouth 5, delivery outlet 2, sample gas paths 1 and solenoid valve all are arranged on the said hyperchannel link block; It is characterized in that: said exhaust gas evacuation mouth 5 is connected with said sample gas paths 1 through a normally open solenoid valve 6, and when not working, the sample gas in the sample gas paths 1 is discharged from exhaust gas evacuation mouth 5; Said each multichannel source of the gas injection port 4 is connected with said sample gas paths 1 through a normally closed solenoid valve 3 respectively; When a multichannel source of the gas injection port 4 sample introductions; Control is sent signal to the normally closed solenoid valve 3 of this multichannel source of the gas injection port 4, and this multichannel source of the gas injection port 4 is connected with sample gas paths 1; Said delivery outlet 2 is connected with said sample gas paths 1.
Wherein, a plurality of said hyperchannel link blocks are connected in series, and the sample gas paths 1 on each hyperchannel link block is interconnected, and leads to a delivery outlet 2; Emptying breather line on each hyperchannel link block is interconnected, and leads to an exhaust gas evacuation mouth 5.
Wherein, be provided with the pump that is used to extract out waste gas at said exhaust gas evacuation mouth 5 places.
Wherein, the pipeline of said multichannel source of the gas injection port 4, delivery outlet 2, exhaust gas evacuation mouth 5 and sample gas paths 1 constitutes by ethylene-propylene-diene rubber, fluororubber or butyronitrile rubber material.
The composition core of automatic multi-path persistent gas-supply optional sampling device of the present invention is a hyperchannel link block, and this hyperchannel link block is provided with a plurality of multichannel source of the gas injection ports, an exhaust gas evacuation mouth, one and to detecting instrument delivery outlet, a sample gas channels and a plurality of control electromagnetic valve of kind gas is provided; Sample gas is connected with the source of the gas injection port of module, and solenoid valve is then unified to be installed on the hyperchannel link block of the present invention.When not sampling, the sample gas paths is connected with evacuation port, the automatic emptying of gas and can not accumulate in pressure is constantly raise.When the sample introduction of needs road, control circuit sends signal to this road normally closed solenoid valve, and the normally closed solenoid valve conducting makes injection port be connected with the sample gas paths, treats to make after sample introduction is accomplished the normally closed solenoid valve action to return to normal again, and accomplishes the single injected sampling process thus.
Advantage of the present invention is simple in structure, is easy to processing, and the runner volume is little, under circuit control, can select certain road gas sampling to realize the real-time monitoring of instrument to each road gas arbitrarily.Rely on the fluidic structures of contiguous block to guarantee and to have sent into detector to arbitrary source of the gas sampling simultaneously, can guarantee each not cross pollution of source of the gas again.
More than show and described ultimate principle of the present invention and principal character and advantage thereof.The technological personage of the industry should understand; The present invention does not receive the restriction of above-mentioned implementing regulations; That describes in above-mentioned implementing regulations and the instructions just is used to explain principle of the present invention; Under the prerequisite that does not break away from the principle of the invention and scope, the present invention also can have various changes and modifications, and these variations and improvement all belong in the scope of the invention of requirement protection.
The present invention requires protection domain to define with appending claims and other equivalent.
Claims (4)
1. automatic multi-path persistent gas-supply optional sampling device; Comprise that a hyperchannel link block, a plurality of multichannel source of the gas injection ports (4), an exhaust gas evacuation mouth (5), one provide delivery outlet (2), a sample gas channels (1) and an a plurality of solenoid valve of kind gas to detecting instrument, said multichannel source of the gas injection port (4), exhaust gas evacuation mouth (5), delivery outlet (2), sample gas paths (1) and solenoid valve all are arranged on the said hyperchannel link block; It is characterized in that: said exhaust gas evacuation mouth (5) is connected with said sample gas paths (1) through a normally open solenoid valve (6), and when not working, the sample gas in the sample gas paths (1) is discharged from exhaust gas evacuation mouth (5); Said each multichannel source of the gas injection port (4) is connected with said sample gas paths (1) through a normally closed solenoid valve (3) respectively; When multichannel source of the gas injection port (a 4) sample introduction; Control is sent signal to the normally closed solenoid valve (3) of this multichannel source of the gas injection port (4), and this multichannel source of the gas injection port (4) and sample gas paths (1) are connected; Said delivery outlet (2) is connected with said sample gas paths (1).
2. automatic multi-path persistent gas-supply optional sampling device according to claim 1 is characterized in that: a plurality of said hyperchannel link blocks are connected in series, and the sample gas paths (1) on each hyperchannel link block is interconnected, and leads to a delivery outlet (2); Emptying breather line on each hyperchannel link block is interconnected, and leads to an exhaust gas evacuation mouth (5).
3. automatic multi-path persistent gas-supply optional sampling device according to claim 1 is characterized in that: locate to be provided with the pump that is used to extract out waste gas at said exhaust gas evacuation mouth (5).
4. automatic multi-path persistent gas-supply optional sampling device according to claim 1 is characterized in that: the pipeline of said multichannel source of the gas injection port (4), delivery outlet (2), exhaust gas evacuation mouth (5) and sample gas paths (1) constitutes by ethylene-propylene-diene rubber, fluororubber or butyronitrile rubber material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101836493A CN101832888B (en) | 2010-05-24 | 2010-05-24 | Automatic multi-path persistent gas-supply optional sampling device |
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| CN2010101836493A CN101832888B (en) | 2010-05-24 | 2010-05-24 | Automatic multi-path persistent gas-supply optional sampling device |
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| CN101832888A CN101832888A (en) | 2010-09-15 |
| CN101832888B true CN101832888B (en) | 2012-01-25 |
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| CN103760783A (en) * | 2013-12-31 | 2014-04-30 | 中国人民解放军空军航空医学研究所 | Remote gas path gating device |
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| CN107702944B (en) * | 2017-09-12 | 2020-03-31 | 北京蓝色星语科技有限公司 | Safety detection device and detection method |
| CN108107145A (en) * | 2017-12-12 | 2018-06-01 | 优泰科技（深圳）有限公司 | Gas concentration instrument |
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| WO2021056657A1 (en) * | 2019-09-25 | 2021-04-01 | 广州禾信仪器股份有限公司 | Device and method for performing continuous online sampling and monitoring of vocs at multiple points |
| CN114305514A (en) * | 2021-12-23 | 2022-04-12 | 深圳市步锐生物科技有限公司 | Multi-path parallel gas circuit control device and method |
| CN115931482A (en) * | 2023-01-09 | 2023-04-07 | 深圳中国计量科学研究院技术创新研究院 | Multichannel real-time online sampling device and mass spectrometer |
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| CN2431565Y (en) * | 2000-07-21 | 2001-05-23 | 中国石化集团扬子石油化工有限责任公司 | Industrial gas phase chromatography sampler |
| CN201518013U (en) * | 2009-09-18 | 2010-06-30 | 上海舜宇恒平科学仪器有限公司 | Gas sample introduction device for continuous multi-path gas supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3915280B2 (en) * | 1998-11-10 | 2007-05-16 | 株式会社島津製作所 | Gas sample introduction device for gas chromatograph |
| SE0300160D0 (en) * | 2003-01-23 | 2003-01-23 | Siemens Elema Ab | Apparatus for and Method of Mintoring and Gas Supply |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2431565Y (en) * | 2000-07-21 | 2001-05-23 | 中国石化集团扬子石油化工有限责任公司 | Industrial gas phase chromatography sampler |
| CN201518013U (en) * | 2009-09-18 | 2010-06-30 | 上海舜宇恒平科学仪器有限公司 | Gas sample introduction device for continuous multi-path gas supply |
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Effective date of registration: 20240409 Address after: Room 105, Building 9, No. 3051 Hechuan Road, Minhang District, Shanghai, 201103 Patentee after: Shanghai Mass Spectral Peak Technology Co.,Ltd. Country or region after: China Address before: 201103, 3071-1075 Hechuan Road, Minhang District, Shanghai Patentee before: SHANGHAI SUNNY HENGPING SCIENTIFIC INSTRUMENT Co.,Ltd. Country or region before: China |