CN102359945A - Novel monitor - Google Patents
Novel monitor Download PDFInfo
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- CN102359945A CN102359945A CN2011102032893A CN201110203289A CN102359945A CN 102359945 A CN102359945 A CN 102359945A CN 2011102032893 A CN2011102032893 A CN 2011102032893A CN 201110203289 A CN201110203289 A CN 201110203289A CN 102359945 A CN102359945 A CN 102359945A
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Abstract
The invention relates to a novel monitor, comprising a dust filter, a long-path gas adsorption cell, a light source emitter and a host machine. Specifically, the dust filter and the long-path gas adsorption cell are in rotational connection, the long-path gas adsorption cell is connected to the light source emitter through a fixation device, a triangular-pyramid total reflection mirror is arranged in the front of the long-path gas adsorption cell, and the light source emitter is in connection with the host machine by a communication link. The host machine of the monitor consists of a gas extraction and control module, a data display module and a wireless sending and receiving module. The invention discloses a monitor for odor gases of fugitive emission sources like dimethyl sulfide, methyl mercaptan, ammonia gas, hydrogen sulfide, methylamine, dimethyl disulfide, styrene, carbon disulfide, etc. With a portable structural design, the monitor of the invention can be used for direct on-site tests, and can avoid complex processes like gas extraction sampling, transportation, dilution, olfactory discrimination, etc., as well as can reduce the labor intensity of the staff.
Description
Technical field
The present invention relates to a kind of monitoring device, be specifically related to a kind of novel monitor.
Background technology
Traditional foul gas monitoring method is for extracting--smell the method for distinguishing; Be exactly that technician's using gases sampling thief is drawn into foul gas in the special-purpose airbag; Get back to behind the laboratory through training and issue smelling of certification and distinguish that Shi Jinhang smells and distinguish mensuration, confirm the murder by poisoning grade of foul gas according to the dilution number of times.Because foul gas is generally potpourri, people's sense of smell can't be differentiated the foul gas composition, and material composition accurately can't be provided, and also just can't formulate corresponding control measures; The constituent of important in addition a bit is exactly foul gas is unknown, often also has harmful noxious material, and staff's health is worked the mischief.
Summary of the invention
The present invention has overcome the deficiency of prior art, has proposed a kind of novel monitor, and this monitor solves the monitoring method of foul gas, for the efforts at environmental protection personnel provide portable foul gas composition and concentration analysis instrument thereof.
Technical scheme of the present invention does; A kind of novel monitor comprises dust filter unit, long light path gas absorption cell, light emitted device and main frame; Said dust filter unit spins with long light path gas absorption cell mutually; Said long light path gas absorption cell is connected with the light emitted device through stationary installation mutually, is provided with a triangular pyramid total reflective mirror at the front end of long light path gas absorption cell, and said light emitted device is connected with main frame through communication link; Said monitor main frame comprises gas extraction control module, data disaply moudle and wireless transmission and receiver module.
Said communication link comprises optical fiber and signal wire.
Said dust filter unit comprises end cap and the holder of filter membrane net; Between end cap and the holder of filter membrane net, be provided with a filter membrane, in the holder of filter membrane net, be provided with bleeder vent, end cap is cylindrical-shaped structure; The central shaft of said cylindrical-shaped structure is provided with optic fibre hole, and the inside of cylindrical-shaped structure is provided with screw thread.
The light emitted device comprises that holder, concave reflection converge mirror, ultraviolet source and two arc catoptron; Two arc catoptrons are fixed in the said holder; Said holder is embedded in the rear end of long light path gas absorption cell; Said concave reflection convergent mirror is positioned at the rear portion of two arc catoptrons, and the concave reflection convergent mirror is embedded in the bottom of long light path gas absorption cell, is provided with the light source entrance port at the rear portion of concave reflection convergent mirror; Below the light source entrance port, be provided with optical fiber interface.
On said ultraviolet source, be provided with the light emitted mouth, below said ultraviolet source, be provided with the host signal interface.
Main frame comprises flip-shell display screen, optical fiber inlet, single card microcomputer, FPDP and spectrometer.
The present invention has following beneficial effect:
1) directly tests nine kinds of foul gas stipulating in the GB; Such as gases such as sulfuretted hydrogen, ammonia, methylamine, trimethylamine, ethamine, dimethyl sulfide, methyl mercaptan, methyl disulfide, styrene, carbon disulphide, go back gas contents such as volatile aromatics such as aromatic hydrocarbon such as energy measurement nitrogen monoxide, sulphuric dioxide, ozone and benzene,toluene,xylene simultaneously.
2) owing to adopt the portable construction design, can directly test, avoid gas extraction to sample, transport, dilute, smell and distinguish etc. and complicated process to alleviate intensity of workers in test site;
3) owing to use the differential difference algorithm, monitoring accuracy is high, changes tradition and smells the method for distinguishing, the staff does not contact foul gas, avoids damaging staff's health.
Description of drawings
Further specify the present invention below in conjunction with accompanying drawing and embodiment.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a dust filter unit structural representation of the present invention.
Fig. 3 is a light emitted apparatus structure synoptic diagram of the present invention.
Fig. 4 is that long light path gas absorption cell of the present invention is connected synoptic diagram with dust filter unit.
Fig. 5 is a main machine structure synoptic diagram of the present invention.
Among the figure, 1, dust filter unit; 2, long light path gas absorption cell; 3, light emitted device; 4, main frame; 5, optical fiber interface; 6, ultraviolet source; 7, host signal interface; 8, wall; 9, filter membrane net holder; 10, end cap; 11, filter membrane; 12, optic fibre hole; 13, triangular pyramid total reflective mirror; 14, two arc catoptrons; 15, holder; 16, handle; 17, concave reflection converges mirror; 18, pad; 19, panel; 20, flip-shell display screen; 21, optical fiber inlet; 22, FPDP; 23, DA output port of power source; 24, waterproof metal keyboard; 25, aspiration pump; 26, spectrometer; 27, single card microcomputer; 28, mainboard; 29, flow measurement device; 30, optical fiber; 31, housing; 32, light source entrance port; 33, light emitted mouth.
Embodiment
Further specify below in conjunction with accompanying drawing, and unrestricted scope involved in the present invention.
Shown in accompanying drawing; Extremely shown in Figure 5 like Fig. 1; Monitor is used in the foul gas measurement that the present invention relates to a kind of uncontrollable discharge source; Be particularly related to operation fields such as petroleum refining, chemical enterprise, liquid crystal production, sewage treatment plant gas such as the sulfuretted hydrogen in the urban sewage pipe, ammonia, methylamine, trimethylamine, ethamine, dimethyl sulfide, methyl mercaptan, methyl disulfide, styrene, carbon disulphide in one's power, also relate to the concentration monitor of the gases such as gas nitrogen monoxide, sulphuric dioxide, ozone and benzene,toluene,xylene in operation place simultaneously.The present invention includes dust filter unit 1; Long light path gas absorption cell 2, light emitted device 3 and main frame 4; Said dust filter unit 1 spins with long light path gas absorption cell 2 mutually; Said long light path gas absorption cell 2 is connected with light emitted device 3 through stationary installation mutually, is provided with a triangular pyramid total reflective mirror 13 at the front end of long light path gas absorption cell 2, and said light emitted device 3 is connected with main frame 4 through communication link; Said main frame 4 comprises gas extraction control module, data disaply moudle and wireless transmission and receiver module.Said communication link comprises optical fiber and signal wire.Said dust filter unit 1 comprises end cap 10 and filter membrane net holder 9; Between end cap 10 and filter membrane net holder 9, be provided with a filter membrane 11; End cap 10 is cylindrical-shaped structure, and the central shaft of the cylindrical-shaped structure of said end cap 10 is provided with optic fibre hole 12, and the inside of cylindrical-shaped structure is provided with screw thread.End cap 10 is tightened in wall 8; Light emitted device 3 comprises that holder 15, concave reflection converge mirror 17, ultraviolet source 6 and two arc catoptron 14; Two arc catoptrons 14 are fixed in the said holder 15, and said holder 15 is embedded in the rear end of long light path gas absorption cell 2, and said concave reflection convergent mirror 17 is positioned at the rear portion of two arc catoptrons 14; Concave reflection convergent mirror 17 is embedded in the bottom of long light path gas absorption cell 2, is provided with light source entrance port 32 at the rear portion of concave reflection convergent mirror 17; Below light source entrance port 32, be provided with optical fiber interface 5.The front portion of long light path gas absorption cell 2 is fixed through pad 18 and wall 8 screwing hermetics; On said ultraviolet source 6, be provided with light emitted mouth 33, below said ultraviolet source 6, be provided with host signal interface 7.Main frame 4 main frames are made up of housing 31, panel 19, flip-shell display screen 20, optical fiber inlet 21, FPDP 22, DA output port of power source 23, waterproof metal keyboard 24, aspiration pump 25, spectrometer 26, single card microcomputer 27, mainboard 28, flow measurement device 29, optical fiber 30, and form unified whole.
Between each parts, triangular pyramid total reflective mirror 13,17 of holders 15, two arc catoptron 14, concave reflection convergent mirror are on same parallel central shaft by long light path gas absorption cell 2, and parallel central shaft is also claimed primary optical axis; Light source entrance port 32 is vertical with primary optical axis, and light source entrance port 32 and concave reflection converge and be provided with one and half anti-mirrors between the mirror, and the plane of half anti-mirror and primary optical axis are in angle of 45 degrees; After finishing, the light path adjustment fixes half anti-mirror holder from the circumferential section of handle 16 by three top screws; , after concave reflection convergent mirror 17 is assembled, reflex on two arc catoptrons 14 by the ultraviolet light of total reflective mirror emission, arrive optical fiber interfaces 5 through more than half anti-mirrors again, be connected with spectrometer 26 in the monitor main frame 4 through optical fiber.
Also have a kind of situation to be: triangular pyramid total reflective mirror 13,17 of holders 15, two arc catoptron 14, concave reflection convergent mirror are on same parallel central shaft by long light path gas absorption cell 2, and light source entrance port 32 overlaps with primary optical axis.
Obviously, the above embodiment of the present invention only be for clearly the present invention is described and is done for example, and be not to be qualification to embodiment of the present invention.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation and changes.Here can't give exhaustive to all embodiments.Everyly belong to the row that conspicuous variation that technical scheme of the present invention amplifies out or change still are in protection scope of the present invention.
Claims (6)
1. novel monitor; Comprise dust filter unit; Long light path gas absorption cell, light emitted device and main frame is characterized in that: said dust filter unit spins with long light path gas absorption cell mutually, and said long light path gas absorption cell is connected with the light emitted device through stationary installation mutually; Front end at long light path gas absorption cell is provided with a triangular pyramid total reflective mirror, and said light emitted device is connected with main frame through communication link; Said monitor main frame comprises gas extraction control module, data disaply moudle and wireless transmission and receiver module.
2. novel monitor according to claim 1 is characterized in that: said communication link comprises optical fiber and signal wire.
3. novel monitor according to claim 1; It is characterized in that: said dust filter unit comprises end cap and the holder of filter membrane net; Between end cap and the holder of filter membrane net, be provided with a filter membrane, in the holder of filter membrane net, be provided with bleeder vent, end cap is cylindrical-shaped structure; The central shaft of said cylindrical-shaped structure is provided with optic fibre hole, and the inside of cylindrical-shaped structure is provided with screw thread.
4. according to claim 1 or 3 described novel monitors; It is characterized in that: the light emitted device comprises that holder, concave reflection converge mirror, ultraviolet source and two arc catoptron; Two arc catoptrons are fixed in the said holder, and said holder is embedded in the rear end of long light path gas absorption cell, and said concave reflection convergent mirror is positioned at the rear portion of two arc catoptrons; The concave reflection convergent mirror is embedded in the bottom of long light path gas absorption cell, is provided with the light source entrance port at the rear portion of concave reflection convergent mirror; Below the light source entrance port, be provided with optical fiber interface.
5. novel monitor according to claim 4 is characterized in that: on said ultraviolet source, be provided with the light emitted mouth, below said ultraviolet source, be provided with the host signal interface.
6. novel monitor according to claim 1 is characterized in that: main frame comprises flip-shell display screen, optical fiber inlet, single card microcomputer, FPDP and spectrometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102032893A CN102359945A (en) | 2011-07-20 | 2011-07-20 | Novel monitor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102032893A CN102359945A (en) | 2011-07-20 | 2011-07-20 | Novel monitor |
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| CN102359945A true CN102359945A (en) | 2012-02-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749286A (en) * | 2012-07-31 | 2012-10-24 | 郭振铎 | Novel portable gas normal position monitor of flue gas and pipeline gas |
| CN104833640A (en) * | 2015-05-12 | 2015-08-12 | 华北电力大学（保定） | Portable type ozone concentration online monitoring device and ozone concentration online monitoring method |
| CN106124441A (en) * | 2016-06-21 | 2016-11-16 | 杭州泽天科技有限公司 | A kind of return ultralow range uv analyzer of single and the method for analysis thereof |
| CN106526048A (en) * | 2016-08-26 | 2017-03-22 | 南京白云化工环境监测有限公司 | Method for detecting sulfide in exhaust gas of stationary pollution source |
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|---|---|---|---|---|
| CN102749286A (en) * | 2012-07-31 | 2012-10-24 | 郭振铎 | Novel portable gas normal position monitor of flue gas and pipeline gas |
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| CN104833640A (en) * | 2015-05-12 | 2015-08-12 | 华北电力大学（保定） | Portable type ozone concentration online monitoring device and ozone concentration online monitoring method |
| CN106124441A (en) * | 2016-06-21 | 2016-11-16 | 杭州泽天科技有限公司 | A kind of return ultralow range uv analyzer of single and the method for analysis thereof |
| CN106526048A (en) * | 2016-08-26 | 2017-03-22 | 南京白云化工环境监测有限公司 | Method for detecting sulfide in exhaust gas of stationary pollution source |
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Application publication date: 20120222 |