CN204462074U - A kind of gas sampling for environmental monitoring and gas analyzer - Google Patents
A kind of gas sampling for environmental monitoring and gas analyzer Download PDFInfo
- Publication number
- CN204462074U CN204462074U CN201520059945.0U CN201520059945U CN204462074U CN 204462074 U CN204462074 U CN 204462074U CN 201520059945 U CN201520059945 U CN 201520059945U CN 204462074 U CN204462074 U CN 204462074U
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- high vacuum
- vacuum seal
- ionization
- ionization chamber
- gas
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- Sampling And Sample Adjustment (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The utility model discloses a kind of gas sampling for environmental monitoring and gas analyzer, comprise shell, enclosure has intake section, ionization part, analysis part, detecting portion and high vacuum pump; Intake section has for gathering gaseous sample high vacuum seal film; Ionization part divides the high vacuum seal ionization chamber, the ionization part and electrostatic lens that comprise and be provided with high vacuum seal shell and the first ingate, high vacuum seal ionization chamber by the first ingate and the continuous cropping of high vacuum seal film phase in sample inlet; Ionization part is in high vacuum seal ionization chamber two ends; Electrostatic lens is arranged on the transitional region between high vacuum seal ionization chamber and analysis part, and electrostatic lens central authorities are the second outlet opening passed through for air-flow; Analysis part comprises series connection level Four lever apparatus; Detecting portion comprises detecting device; High vacuum pump on shell for the electric discharge of analysis part and detecting portion.
Description
Technical field
The utility model relates to detection field, particularly relates to the gas sampling for environmental monitoring and gas analyzer.
Background technology
The device of traditional analysis and resolution gas, after needing first to carry out spot sampling sealing, through one section of long time, the gaseous sample collected is delivered to laboratory and carry out gas composition analysis and detection, sampling that what traditional detecting instrument adopted is separates with analysis and resolution to be carried out, in the process that gas transports, the problem making Leakage Gas because seal degree is inadequate may be there is, have impact to the accuracy of analysis and resolution; In addition, traditional gas analysis checkout equipment volume is large, and manufacturing cost is high, and can not portablely carry.Therefore, need a kind of existing sampling functions badly, again can the apparatus of gaseous sample that enters from sampling apparatus of analysis and resolution, in addition, the sampling and analyzing unit that also will be convenient for carrying.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide, the time-consuming technical matters with can not portablely carry that solution sampling apparatus and analysis and detection device can not be combined as a whole and cause.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of gas sampling for environmental monitoring and gas analyzer, it is characterized in that: comprise shell, in shell, accommodate intake section, ionization part, analysis part, detecting portion and high vacuum pump; Intake section comprises the high vacuum seal film for plane for gathering gaseous sample, the surface of high vacuum seal film is provided with nano-pore vertical with it, nano-pore, along the axis arranged of high vacuum seal film, is formed by the ion beam erosion with high positioning function; Ionization part is positioned at intake section side, comprise high vacuum seal ionization chamber, ionization part and the electrostatic lens with electron bombardment, high vacuum seal ionization chamber is provided with high vacuum seal shell and the first ingate for gaseous sample entrance, first ingate is separated by high vacuum seal film and external environment condition, and high vacuum seal ionization chamber is connected with high vacuum seal film by the first ingate; High vacuum seal film is connected with high vacuum seal ionization chamber with pipeline by high vacuum seal joint; Ionization part is symmetricly set in the upper and lower two ends of high vacuum seal ionization chamber respectively; Electrostatic lens is positioned at the side of high vacuum seal ionization chamber, in the E type that Open Side Down, be arranged on the transitional region between the ion gun of high vacuum seal ionization chamber and analysis part, electrostatic lens central authorities are the second outlet opening, are flowed out to analysis part by high vacuum seal ionization chamber ionized gas by the second outlet opening; Analysis part is positioned at ionization part side, comprises the series connection level Four lever apparatus for analytical gas composition; Detecting portion is positioned at analysis part side, comprises the detecting device for detecting gaseous sample concentration; Described high vacuum pump is arranged on shell.
Preferably, the diameter of described nano-pore is 10nm ~ 500nm, and the quantity of nano-pore is 1 or 10 ~ 100; The surperficial side length of described high vacuum seal film is 100 μm, and thickness is 100nm; The diameter of described second outlet opening is 1mm ~ 10mm; Long 2 ~ the 3mm in described first ingate.
Preferably, described high vacuum seal joint be bonding agent, ring, metal or
pad; Described ionization part is ionization filament, lasing light emitter, radioactive source, stationary plasma spraying ionization device or radio-frequency unit; Described detecting device is Faraday cup detecting device, scanning electron microscope or channeltron detecting device; Described high vacuum pump is ionic pump.
Compare with traditional analyser, intake section of the present utility model is reduced to and is provided with a high vacuum seal film, not only simplify equipment, but also provides cost savings; In addition, high vacuum pump can with a simple ionic pump, make gas molecule stream limited flow through high vacuum seal film; The nano-pore that described high vacuum seal film is arranged and the sampling volume of high vacuum ionization chamber drastically reduce the area the response time be associated with sampling apparatus, reduce the deteriorated problem of the equipment when the gas that is corrosive exists significantly, therefore tool has great advantage, high vacuum seal film provides nano-pore, therefore can realize greatly simplifying instrument configurations, and the equipment that configures as portable sample analysis can be realized thus.
Accompanying drawing explanation
Fig. 1 is the utility model schematic diagram.
Wherein: intake section 11a, ionization part 11b, analysis part 11c, detecting portion 11d, high vacuum pump 21, ionization part 33, series connection level Four lever apparatus 37, detecting device 39, shell 41, gas analyzer 51, sampling apparatus 53, high vacuum seal shell 55, first ingate 59, second outlet opening 61, high vacuum seal film 63.
Embodiment
Below in conjunction with the embodiment described by accompanying drawing, the utility model is described in further detail.
For gas sampling and the analyser of environmental monitoring, comprise shell 41, in shell 41, accommodate intake section 11a, ionization part 11b, analysis part 11c, detecting portion 11d and high vacuum pump 21.
Intake section 11a, for gathering gaseous sample, comprises high vacuum seal film 63, and the present embodiment adopts high vacuum seal film 63 to sample; High vacuum seal film 63 is plane substantially, be provided with one or more nano-pore with nanometer grade diameter, nano-pore is along the axis arranged being essentially straight line of high vacuum seal film 63, the cross-sectional uniformity of described nano-pore, and be essentially perpendicular relative to high vacuum seal film 63 surface, the diameter in this hole is between 10nm ~ 500nm, be preferably 20nm ~ 30nm, this vacuum seal film 63 substantially can not permeating airflow, but gas is by nano-pore, the quantity of preferred nano-pore is the nano-pore (10 ~ 100 nano-pores) of or limited quantity; The shape on the surface of high vacuum seal film 63 can be square or other shapes, long 100 μm of its surperficial side, and thickness is 100nm; Further, high vacuum seal film 63 is made up of pottery, metal, semiconductor material or combinations thereof, forms nano-pore by the ion beam erosion with high positioning function.
Ionization part 11b is positioned at intake section 11a side, comprise ionization chamber 57, ionization part 33 and the electrostatic lens 35 with EI ionization burst type, this high vacuum seal ionization chamber 57 is provided with a high vacuum seal shell 55 and the first ingate 59, first ingate 59 is separated by high vacuum seal film 63 and external environment condition, high vacuum seal ionization chamber 57 is connected with high vacuum seal film 63 by the first ingate 59, long 2 ~ the 3mm in first ingate 59, for gaseous sample entrance; High vacuum seal film 63 is by suitable high vacuum seal joint, and such as bonding agent, ring, metal or VITON pad are connected with high vacuum seal ionization chamber 57 with pipeline; Ionization part 33 is symmetricly set in high vacuum seal ionization chamber about 57 two ends respectively, and this ionization part 33 is ionization filament, lasing light emitter, radioactive source, stationary plasma spraying ionization device or radio-frequency unit; Electrostatic lens 35 is positioned at high vacuum seal ionization chamber 57 side, it is the E type that Open Side Down, be arranged on the transitional region between the ion gun of high vacuum seal ionization chamber 57 and analysis part 11c, electrostatic lens 35 central authorities are the second outlet opening 61, are flowed out to analysis part 11c by high vacuum seal ionization chamber 57 ionized gas by the second outlet opening 61; The diameter of the second outlet opening 61 is grade, is preferably 1mm ~ 10mm; Analysis part 11c is positioned at ionization part 11b side, comprises series connection level Four lever apparatus 37; Detecting portion 11d is positioned at analysis part 11c side, comprises detecting device 39, and this detecting device 39 is Faraday cup detecting device, scanning electron microscope or channeltron detecting device.
High vacuum pump 21 is arranged on the shell 41 of gas analyzer 51, so that the electric discharge of analysis part 11c and detecting portion 11d, this high vacuum pump 21 is an ionic pump or the pump with similar functions.
Compare with traditional analyser, intake section 11a of the present utility model is substantially only reduced to and is provided with a high vacuum seal film 63, not only simplify equipment, but also provides cost savings; In addition, high vacuum pump 21 can with a simple ionic pump, make gas molecule stream limited flow through high vacuum seal film 63; The nano-pore that described high vacuum seal film 63 is arranged and the sampling volume of high vacuum ionization chamber 57 drastically reduce the area the response time be associated with sampling apparatus 53, reduce the deteriorated problem of the equipment when the gas that is corrosive exists significantly, therefore tool has great advantage, high vacuum seal film provides nano-pore, therefore can realize greatly simplifying instrument configurations, and the equipment that configures as portable sample analysis can be realized thus.
Claims (3)
1. for gas sampling and the gas analyzer of environmental monitoring, it is characterized in that: comprise shell, in shell, accommodate intake section, ionization part, analysis part, detecting portion and high vacuum pump; Intake section comprises the high vacuum seal film for plane for gathering gaseous sample, the surface of high vacuum seal film is provided with nano-pore vertical with it, nano-pore, along the axis arranged of high vacuum seal film, is formed by the ion beam erosion with high positioning function; Ionization part is positioned at intake section side, comprise high vacuum seal ionization chamber, ionization part and the electrostatic lens with electron bombardment, high vacuum seal ionization chamber is provided with high vacuum seal shell and the first ingate for gaseous sample entrance, first ingate is separated by high vacuum seal film and external environment condition, and high vacuum seal ionization chamber is connected with high vacuum seal film by the first ingate; High vacuum seal film is connected with high vacuum seal ionization chamber with pipeline by high vacuum seal joint; Ionization part is symmetricly set in the upper and lower two ends of high vacuum seal ionization chamber respectively; Electrostatic lens is positioned at the side of high vacuum seal ionization chamber, in the E type that Open Side Down, be arranged on the transitional region between the ion gun of high vacuum seal ionization chamber and analysis part, electrostatic lens central authorities are the second outlet opening, are flowed out to analysis part by high vacuum seal ionization chamber ionized gas by the second outlet opening; Analysis part is positioned at ionization part side, comprises the series connection level Four lever apparatus for analytical gas composition; Detecting portion is positioned at analysis part side, comprises the detecting device for detecting gaseous sample concentration; Described high vacuum pump is arranged on shell.
2. a kind of gas sampling for environmental monitoring according to claim 1 and gas analyzer, is characterized in that: the diameter of described nano-pore is 10nm ~ 500nm, and the quantity of nano-pore is 1 or 10 ~ 100; The surperficial side length of described high vacuum seal film is 100 μm, and thickness is 100nm; The diameter of described second outlet opening is 1mm ~ 10mm; Long 2 ~ the 3mm in described first ingate.
3. a kind of gas sampling for environmental monitoring according to claim 1 and gas analyzer, is characterized in that: described high vacuum seal joint be bonding agent, ring, metal or
pad; Described ionization part is ionization filament, lasing light emitter, radioactive source, stationary plasma spraying ionization device or radio-frequency unit; Described detecting device is Faraday cup detecting device, scanning electron microscope or channeltron detecting device; Described high vacuum pump is ionic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520059945.0U CN204462074U (en) | 2015-01-28 | 2015-01-28 | A kind of gas sampling for environmental monitoring and gas analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520059945.0U CN204462074U (en) | 2015-01-28 | 2015-01-28 | A kind of gas sampling for environmental monitoring and gas analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204462074U true CN204462074U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520059945.0U Expired - Fee Related CN204462074U (en) | 2015-01-28 | 2015-01-28 | A kind of gas sampling for environmental monitoring and gas analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204462074U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372357A (en) * | 2015-12-17 | 2016-03-02 | 吕梁学院 | Ionization, adsorption and enrichment device |
| CN108956216A (en) * | 2018-08-29 | 2018-12-07 | 刘召卿 | Air particle grading sampling device for environmental monitoring |
-
2015
- 2015-01-28 CN CN201520059945.0U patent/CN204462074U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372357A (en) * | 2015-12-17 | 2016-03-02 | 吕梁学院 | Ionization, adsorption and enrichment device |
| CN105372357B (en) * | 2015-12-17 | 2017-04-05 | 吕梁学院 | A kind of ionization adsorption and enrichment device |
| CN108956216A (en) * | 2018-08-29 | 2018-12-07 | 刘召卿 | Air particle grading sampling device for environmental monitoring |
| CN108956216B (en) * | 2018-08-29 | 2020-11-17 | 嘉兴嘉卫检测科技有限公司 | Air particulate matter grading sampling device for environmental monitoring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20160128 |
|
| EXPY | Termination of patent right or utility model |