CN104897582A - Smell chromatogram instrument and operation method thereof - Google Patents
Smell chromatogram instrument and operation method thereof Download PDFInfo
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- CN104897582A CN104897582A CN201510277963.0A CN201510277963A CN104897582A CN 104897582 A CN104897582 A CN 104897582A CN 201510277963 A CN201510277963 A CN 201510277963A CN 104897582 A CN104897582 A CN 104897582A
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- solenoid valve
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- absorbing agent
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Abstract
The invention discloses a smell chromatogram instrument and an operation method thereof. The smell chromatogram instrument is characterized by comprising a vacuum booster pump, an absorption cell, a monochromator and a receiver, wherein an inlet of the vacuum booster pump is connected with a first electromagnetic valve in a sealed way; an outlet of the vacuum booster pump is connected with a seventh electromagnetic valve in a sealed way; light-transmitting windows are formed in two sides of the absorption cell; the inlet of the absorption cell is connected with the vacuum booster pump and an absorbent bottle in a sealed manner; the outlet of the absorption cell is connected with the vacuum booster pump in a sealed manner; a through hole in the bottom of the absorption cell is connected with a smell sampling opening and a waste liquid bottle in a sealed manner; the monochromator and the receiver are respectively arranged in the light-transmitting windows in two sides of the absorption cell; a single light beam of the monochromator irradiates the receiver through two sides of the absorption cell; the receiver is connected with a computer via a signal; the operation method comprises the following steps: adding the absorbent to the absorption cell; and adding a to-be-tested smell sample, scanning, measuring, storing data, displaying a measurement result, and discharging the waste liquid. The smell can be displayed in a spectrogram form; and the smell chromatogram instrument can be applied to monitoring of an environment gas and to quality analysis of foods, medicines, cosmetics and chemical products.
Description
Technical field
The present invention relates to analytical instrument, be a kind of smell spectrogram instrument and method of operating thereof, different smells can be demonstrated different spectrograms by this instrument, according to the chemical composition of different spectrogram determination smells.
Background technology
At present, known various gas analyzer and Electronic Nose can only show the concentration value of smell, and the concrete composition of mixed odor and ratio cannot be differentiated.Such as: the mixed gas of benzene, phenol and ethanol, the ratio of various gas analyzer and Electronic Nose None-identified benzene, phenol and ethanol.Smell is prevalent in each environment, and the essence of smell is molecular motion.For the mankind, many smells are had to be its existence imperceptible.Some smell people are difficult to express clearly when describing sensation, also cannot determine the concrete composition of smell.Different smells has different spectrograms, allows smell graphically give expression to true composition, by the concrete composition of the figure determination smell of display, up to the present, is not also recorded and practical application by the document of the concrete composition of figure determination smell of display.
Summary of the invention
The object of the invention is: a kind of smell spectrogram instrument and method of operating thereof are provided, smell can be shown with the form of spectrogram, thus determine the chemical composition of smell, for environmental monitoring gaseous contamination source, food quality, drug quality, the analysis of cosmetics quality and quality of chemical products.
The present invention is realized by following technical scheme: a kind of smell spectrogram instrument, is characterized in that: it comprises vacuum pressed pump, absorption cell, the first solenoid valve, the 7th solenoid valve, the 3rd solenoid valve, the 6th solenoid valve, the second solenoid valve, the 4th solenoid valve, the 5th solenoid valve, monochromator and receiver.First described the import of vacuum pump seal joint solenoid valve, solenoid valve 7 export seal joint, described in the absorbent absorption cell array, absorbed at the bottom of the pool at the top of the set import and export, respectively set up LiuKou, absorb set transparent window on both sides of the pool, pool of import export through third solenoid valve and vacuum pump and electromagnetic valve seal connections between 7, through the electromagnetic valve 6 and absorbent calabash sealing connection, the export of absorption pool through the second solenoid valve and vacuum pump inlet and the sealing connection between electromagnetic valve, absorption of the pool LiuKou through fourth solenoid valve and smell injection port sealing connection, through the electromagnetic valve is connected to the liquid bottle seal, 5 monochromator and receiver at the absorption pool sides respectively set transparent window, monochromator one end connected to the vacuum pump power, the other end connected to the receiver electric, receiver built-in A/D and D/A, receiver respectively with solenoid valve, solenoid valve ~ 7, paragraph 1 of electrical connection, connected to the computer signals.
Described absorption cell is that quartz glass or infrared transmitting crystal glass are made.
Described absorbing agent is one or its combination of inorganic liquid absorbing agent or organic liquid absorbing agent.
The scanning wavelength of described monochromator is 160-25000nm.
Described receiver adopts pyroelectricity.
A method of operating for smell spectrogram instrument, is characterized in that: it comprises the following steps:
1) absorbing agent is added
Open vacuum pressed pump, open the 6th solenoid valve, the second solenoid valve and the 7th solenoid valve simultaneously, second solenoid valve produces negative pressure by vacuum pressed pump and the emptying absorption cell that makes of the 7th solenoid valve, absorbing agent in absorbing agent bottle is sucked in absorption cell by the 6th solenoid valve, through 10-20 second, then close whole solenoid valve;
2) tested smell sample is added
Open the 4th solenoid valve, the second solenoid valve and the 7th solenoid valve, second solenoid valve produces negative pressure by vacuum pressed pump and the emptying absorption cell that makes of the 7th solenoid valve, tested smell sample to be sucked in absorption cell by the 4th solenoid valve by smell injection port and is absorbed by absorbing agent, through 1-5 minutes, then close whole solenoid valve, close vacuum pressed pump simultaneously;
3) scanning survey
Start monochromator, the absorbing agent in monochromatic spectrum scanning irradiation absorption pond, receiver detects the light intensity change of absorbing agent;
4) data storing: while monochromator scanning, the light intensity change of the absorbing agent detected is produced analog electrical signal by receiver, digital signal is converted to through A/D, D/A, be transferred to computing machine, the data of measurement process by computing machine, the end of scan, Computer display measurement data, and the data of measurement are stored with document form;
5) conclusion is shown
The data measured are formed collection of illustrative plates by computing machine, and compare with one-component collection of illustrative plates, form the chemical composition conclusion of tested smell sample;
6) effluent discharge
Open vacuum pressed pump, open the 5th solenoid valve, the 3rd solenoid valve and the first solenoid valve simultaneously, 3rd solenoid valve sucks air by vacuum pressed pump and the first solenoid valve, absorption cell is made to produce atmospheric pressure, promoting absorbing agent is discharged in waste liquid bottle by the 5th solenoid valve, after emptying waste liquid, close whole solenoid valve, close vacuum pressed pump simultaneously.
The invention has the beneficial effects as follows: smell can show with the form of spectrogram by the present invention, thus determines the chemical composition of smell, for environmental monitoring gaseous contamination source, food quality, drug quality, the analysis of cosmetics quality and quality of chemical products.There is easy to operate, conclusion advantage accurately.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 be the present invention add absorbing agent flow to schematic diagram;
Fig. 3 be the present invention add tested smell sample flow to schematic diagram;
Fig. 4 be effluent discharge of the present invention flow to schematic diagram.
1 first solenoid valve in figure, 2 second solenoid valves, 3 the 3rd solenoid valves, 4 the 4th solenoid valves, 5 the 5th solenoid valves, 6 the 6th solenoid valves, 7 the 7th solenoid valves, 8 monochromators, 9 vacuum pressed pumps, 10 absorbing agent bottles, 11 absorption cells, 12 receivers, 13 waste liquid bottles.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
See Fig. 1 ~ Fig. 4, a kind of smell spectrogram of the present invention instrument, it comprises vacuum pressed pump, absorption cell, the first solenoid valve, the 7th solenoid valve, the 3rd solenoid valve, the 6th solenoid valve, the second solenoid valve, the 4th solenoid valve, the 5th solenoid valve, monochromator, receiver and computing machine.First described the import of vacuum pump seal joint solenoid valve, solenoid valve 7 export seal joint, described in the absorbent absorption cell array, absorbed at the bottom of the pool at the top of the set import and export, respectively set up LiuKou, absorb set transparent window on both sides of the pool, pool of import export through third solenoid valve and vacuum pump and electromagnetic valve seal connections between 7, through the electromagnetic valve 6 and absorbent calabash sealing connection, the export of absorption pool through the second solenoid valve and vacuum pump inlet and the sealing connection between electromagnetic valve, absorption of the pool LiuKou through fourth solenoid valve and smell injection port sealing connection, through the electromagnetic valve is connected to the liquid bottle seal, 5 monochromator and receiver at the absorption pool sides respectively set transparent window, monochromator one end connected to the vacuum pump power, the other end connected to the receiver electric, receiver built-in A/D and D/A, receiver respectively with solenoid valve, solenoid valve ~ 7, paragraph 1 of electrical connection, connected to the computer signals.Described absorption cell is that quartz glass or infrared transmitting crystal glass are made.Described absorbing agent is one or its combination of inorganic liquid absorbing agent or organic liquid absorbing agent.The scanning wavelength of described monochromator is 160-25000nm.Described receiver adopts pyroelectricity.The present invention adopts prior art manufacture, and described vacuum pressed pump, the first solenoid valve ~ the 7th solenoid valve, monochromator, receiver, computing machine and absorbing agent is the commercially available prod of prior art.
The present embodiment is a kind of industrial gaseous waste, and testing process comprises the following steps:
1) absorbing agent is added
Open vacuum pressed pump, open the 6th solenoid valve, the second solenoid valve and the 7th solenoid valve simultaneously, second solenoid valve produces negative pressure by vacuum pressed pump and the emptying absorption cell that makes of the 7th solenoid valve, absorbing agent in absorbing agent bottle is sucked in absorption cell by the 6th solenoid valve, through 10-20 second, then close whole solenoid valve;
2) tested smell sample is added
Open the 4th solenoid valve, the second solenoid valve and the 7th solenoid valve, second solenoid valve produces negative pressure by vacuum pressed pump and the emptying absorption cell that makes of the 7th solenoid valve, tested smell sample to be sucked in absorption cell by the 4th solenoid valve by smell injection port and is absorbed by absorbing agent, through 1-5 minute, then close whole solenoid valve, close vacuum pressed pump simultaneously;
3) scanning survey
Start monochromator, the absorbing agent in monochromatic spectrum scanning irradiation absorption pond, receiver detects the light intensity change of absorbing agent;
4) data storing: while monochromator scanning, the light intensity change of the absorbing agent detected is produced analog electrical signal by receiver, digital signal is converted to through A/D, D/A, be transferred to computing machine, the data of measurement process by computing machine, the end of scan, Computer display measurement data, and the data of measurement are stored with document form;
5) conclusion is shown
The data measured are formed collection of illustrative plates by computing machine, and compare with one-component collection of illustrative plates, form the chemical composition conclusion of tested smell sample;
6) effluent discharge
Open vacuum pressed pump, open the 5th solenoid valve, the 3rd solenoid valve and the first solenoid valve simultaneously, 3rd solenoid valve sucks air by vacuum pressed pump and the first solenoid valve, absorption cell is made to produce atmospheric pressure, promoting absorbing agent is discharged in waste liquid bottle by the 5th solenoid valve, after emptying waste liquid, close whole solenoid valve, close vacuum pressed pump simultaneously.
Claims (7)
1. a smell spectrogram instrument, is characterized in that: it comprises vacuum pressed pump, absorption cell, the first solenoid valve, the 7th solenoid valve, the 3rd solenoid valve, the 6th solenoid valve, the second solenoid valve, the 4th solenoid valve, the 5th solenoid valve, monochromator and receiver.
2. described in, the inlet seal of vacuum pressed pump connects the first solenoid valve, exit seal connects the 7th solenoid valve, described absorption cell splendid attire absorbing agent, absorption cell top arranges import and outlet respectively, bottom arranged head piece, the both sides of absorption cell arrange optical transmission window, the import of absorption cell is tightly connected by the 3rd solenoid valve and between vacuum pressed delivery side of pump and the 7th solenoid valve, be tightly connected by the 6th solenoid valve and absorbing agent bottle, the outlet of absorption cell is by being tightly connected between the import of the second solenoid valve and vacuum pressed pump and the first solenoid valve, the head piece of crossing of absorption cell is tightly connected by the 4th solenoid valve and smell injection port, be tightly connected by the 5th solenoid valve and waste liquid bottle, monochromator and receiver are placed in the optical transmission window place that absorption cell both sides are arranged respectively, monochromator one end is electrically connected with vacuum pressed pump, the other end is electrically connected with receiver, the built-in A/D of receiver, D/A, receiver is electrically connected with the first solenoid valve ~ the 7th solenoid valve respectively, be connected with Computer signal.
3. a kind of smell spectrogram instrument as claimed in claim 1, is characterized in that: described absorption cell is that quartz glass or infrared transmitting crystal glass are made.
4. a kind of smell spectrogram instrument as claimed in claim 1, is characterized in that: described absorbing agent is one or its combination of inorganic liquid absorbing agent or organic liquid absorbing agent.
5. a kind of smell spectrogram instrument as claimed in claim 1, is characterized in that: the scanning wavelength of described monochromator is 160-25000nm.
6. a kind of smell spectrogram instrument as claimed in claim 1, is characterized in that: described receiver adopts pyroelectricity.
7. a method of operating for smell spectrogram instrument, is characterized in that: it comprises the following steps:
1) absorbing agent is added
Open vacuum pressed pump, open the 6th solenoid valve, the second solenoid valve and the 7th solenoid valve simultaneously, second solenoid valve produces negative pressure by vacuum pressed pump and the emptying absorption cell that makes of the 7th solenoid valve, absorbing agent in absorbing agent bottle is sucked in absorption cell by the 6th solenoid valve, through 10-20 second, then close whole solenoid valve;
2) tested smell sample is added
Open the 4th solenoid valve, the second solenoid valve and the 7th solenoid valve, second solenoid valve produces negative pressure by vacuum pressed pump and the emptying absorption cell that makes of the 7th solenoid valve, tested smell sample to be sucked in absorption cell by the 4th solenoid valve by smell injection port and is absorbed by absorbing agent, through 1-5 minute, then close whole solenoid valve, close vacuum pressed pump simultaneously;
3) scanning survey
Start monochromator, the absorbing agent in monochromatic spectrum scanning irradiation absorption pond, receiver detects the light intensity change of absorbing agent;
4) data storing: while monochromator scanning, the light intensity change of the absorbing agent detected is produced analog electrical signal by receiver, digital signal is converted to through A/D, D/A, be transferred to computing machine, the data of measurement process by computing machine, the end of scan, Computer display measurement data, and the data of measurement are stored with document form;
5) conclusion is shown
The data measured are formed collection of illustrative plates by computing machine, and compare with one-component collection of illustrative plates, form the chemical composition conclusion of tested smell sample;
6) effluent discharge
Open vacuum pressed pump, open the 5th solenoid valve, the 3rd solenoid valve and the first solenoid valve simultaneously, 3rd solenoid valve sucks air by vacuum pressed pump and the first solenoid valve, absorption cell is made to produce atmospheric pressure, promoting absorbing agent is discharged in waste liquid bottle by the 5th solenoid valve, after emptying waste liquid, close whole solenoid valve, close vacuum pressed pump simultaneously.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107782708A (en) * | 2017-11-13 | 2018-03-09 | 青岛佳明测控科技股份有限公司 | Microorganism in Water detection means and detection method |
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- 2015-05-28 CN CN201510277963.0A patent/CN104897582B/en active Active
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| EP1308713A1 (en) * | 2001-11-02 | 2003-05-07 | Qmet ApS | A method of determining the content of SO2 in a beverage product |
| CN201392316Y (en) * | 2008-06-27 | 2010-01-27 | 中国建筑材料检验认证中心 | Carbon dioxide photoelectric titration apparatus and carbon dioxide photoelectric titration analytical instrument |
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| CN202512062U (en) * | 2012-03-27 | 2012-10-31 | 保定市金科汇电子有限公司 | Full-automatic acid value determiner for petroleum products |
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| CN107782708A (en) * | 2017-11-13 | 2018-03-09 | 青岛佳明测控科技股份有限公司 | Microorganism in Water detection means and detection method |
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