CN206020259U - A kind of Portable gas-phase molecular absorption spectrometer - Google Patents
A kind of Portable gas-phase molecular absorption spectrometer Download PDFInfo
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- CN206020259U CN206020259U CN201620939897.9U CN201620939897U CN206020259U CN 206020259 U CN206020259 U CN 206020259U CN 201620939897 U CN201620939897 U CN 201620939897U CN 206020259 U CN206020259 U CN 206020259U
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- absorption spectrometer
- molecular absorption
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Abstract
The utility model discloses a kind of Portable gas-phase molecular absorption spectrometer, wherein, including control device, fluid path device, gas path device and light path device, control device controls to connect fluid path device, gas path device and light path device respectively；Fluid path device includes sampling device, mixing arrangement, reaction unit and the segregation apparatuss being sequentially connected；Gas path device includes source of the gas, segregation apparatuss, extinction pipe and the gurry processing meanss being sequentially connected；Light source that light path device includes being sequentially connected, extinction pipe, filtering apparatus, photo-detector.Can increase precision and the capacity of resisting disturbance of detection means, simple structure, be easy to carry, adapt to outdoor detection environment, have a extensive future.
Description
Technical field
This utility model is related to optic analytical instrument, and in particular to a kind of Portable gas-phase molecular absorption spectrometer.
Background technology
Gas-phase molecular absorption spectrometry method be the gas that resolved into based on detected composition to the absorption intensity of light with tested
The relation for surveying constituent concentration is observed law of Beer this principle to be quantitative determined, first by chemical reaction during detection,
Ion or molecule in aqueous solution is converted into certain gas, gas molecule is generally located in the case where ectocine is not received
In relatively steady state, referred to as ground state gas molecule.But, once these gas molecules receive the light spoke of specific wavelength
When penetrating, it is easy to produce corresponding molecular vibration.Energy needed for there is molecular vibration is certain, and this specific energy is referred to as
Characterization of molecules spectral line.In gas-phase molecular absorption spectrometry method, the light source of specific wavelength, the spy that gaseous molecular is sent to the light source are selected
Levy wavelength light and produce molecular vibration absorption, molecular concentration is calculated by degree of absorption according to light, according to the difference of absorbing wavelength,
Detected composition can also be determined and carry out qualitative analyses.And existing gas phase molecular absorption spectrometer mainly uses monochromator
Select characteristic light to be analyzed target substance, the low accuracy rate in data can be caused.
Utility model content
This utility model provides a kind of Portable gas-phase molecular absorption spectrometer, by increasing capacitance it is possible to increase the precision of detection means with anti-
Interference performance, simple structure, is easy to carry, and adapts to outdoor detection environment, in order to solve defect caused by prior art.
This utility model provides following technical scheme for achieving the above object：A kind of portable gas-phase molecular absorption spectrometry
Instrument, wherein, including control device, fluid path device, gas path device and light path device, the control device controls to connect institute respectively
State fluid path device, the gas path device and the light path device；
The fluid path device includes sampling device, mixing arrangement, reaction unit and the segregation apparatuss being sequentially connected；
The gas path device includes source of the gas, the segregation apparatuss, extinction pipe and the gurry processing meanss being sequentially connected；
Light source that the light path device includes being sequentially connected, the extinction pipe, filtering apparatus, photo-detector.
A kind of above-mentioned Portable gas-phase molecular absorption spectrometer, wherein, the control device, fluid path device, gas circuit dress
Put and light path device inside be respectively equipped with processing meanss.
A kind of above-mentioned Portable gas-phase molecular absorption spectrometer, wherein, the processing meanss include receiving and send dress
Put, data processing equipment.
A kind of above-mentioned Portable gas-phase molecular absorption spectrometer, wherein, the mixing arrangement is that sample and reagent mix
Device.
A kind of above-mentioned Portable gas-phase molecular absorption spectrometer, wherein, the segregation apparatuss are gas-liquid separation device.
A kind of above-mentioned Portable gas-phase molecular absorption spectrometer, wherein, the light source is continuous light source or line source.
A kind of above-mentioned Portable gas-phase molecular absorption spectrometer, wherein, the filtering apparatus are ultraviolet filter.
A kind of above-mentioned Portable gas-phase molecular absorption spectrometer, wherein, the photo-detector is photosemiconductor detector
Or electron tube detector.
A kind of above-mentioned Portable gas-phase molecular absorption spectrometer, wherein, the segregation apparatuss are connected at the gurry
Reason device.
According to a kind of effect of the technical scheme of Portable gas-phase molecular absorption spectrometer offer of the invention described above it is：Can
Increase precision and the capacity of resisting disturbance of detection means, simple structure, be easy to carry, adapt to outdoor detection environment.
Description of the drawings
Fig. 1 is a kind of Portable gas-phase molecular absorption spectrometer structural representation of this utility model.
Wherein, reference is as follows：Control device 101, fluid path device 102, gas path device 103, light path device 104, abandon
Thing processing meanss 105, sampling device 106, mixing arrangement 107, reaction unit 108, segregation apparatuss 109, source of the gas 110, extinction pipe
111st, light source 112, filtering apparatus 113, photo-detector 114.
Specific embodiment
In order that technological means, creation feature, reached purpose and effect that utility model is realized are easy to understand, lower knot
Conjunction is specifically illustrating, and this utility model is expanded on further.
First embodiment of the present utility model is to provide a kind of Portable gas-phase molecular absorption spectrometer, it is therefore an objective to increase inspection
Precision and the capacity of resisting disturbance of device is surveyed, simple structure, is easy to carry, adapt to outdoor detection environment.
As shown in figure 1, a kind of Portable gas-phase molecular absorption spectrometer, wherein, including control device 101, fluid path device
102nd, gas path device 103, light path device 104 and gurry processing meanss 105, control device 101 control to connect fluid path dress respectively
Put 102, gas path device 103 and light path device 104；Fluid path device 102 includes sampling device 106, the mixing dress being sequentially connected
Put 107, reaction unit 108 and segregation apparatuss 109；Gas path device 103 includes the source of the gas 110, segregation apparatuss being sequentially connected
109th, extinction pipe 111 and gurry processing meanss 105；Light source 112 that light path device 104 includes being sequentially connected, extinction pipe 111,
Filtering apparatus 113, photo-detector 114.
A kind of Portable gas-phase molecular absorption spectrometer that the present embodiment is provided is examined based on gas-phase molecular absorption spectrometry method
The principle of gas is surveyed, its operating process is as follows：
Control device 101, fluid path device 102, gas path device 103 and light path device 104 is assembled, first by control
101 control operation fluid path device 102 of device, in fluid path device 102, the required classes of agents of sample and reaction is filled by sample introduction
106 introducing fluid path devices 102 are put, which are mixed and fed into reaction unit 108 by needed for detection reaction in mixing arrangement 107,
Reagent in reaction unit 108 makes to carry out chemistry instead through well-mixed sample and reagent according to the detection demand of target substance
Should；Wherein, the mode of catalytic reaction is including but not limited to using modes such as catalyst, heating, photocatalysis.Reacted sample and
Reagent mixture is admitted to segregation apparatuss 109；Secondly, control device 101 controls gas path device 103, and detection is carried by source of the gas 110
Air pressure enters segregation apparatuss 109, and the characteristic gas that can be used for target substance content in detection sample are brought into extinction pipe 111 by carrier gas
In；Finally, the control of control device 101 light path device 104, is brought into by carrier gas in the light irradiation extinction pipe 111 that light source 112 sends
Characteristic gas, a part of light are absorbed by the gas in extinction pipe 111, and remaining light selects determinand through filtering apparatus 113
The strong feature light beam of matter absorption effect, its light intensity are converted into the corresponding signal of telecommunication by photo-detector 114, and the change of signal can use
In the content for determining test substance.The waste liquid of generation, waste gas in detection process, send into gurry processing meanss 105, it is to avoid cause ring
Pollute in border.
Control device 101, fluid path device in a kind of Portable gas-phase molecular absorption spectrometer that the present embodiment is provided
102nd, processing meanss are respectively equipped with inside gas path device 103 and light path device 104, processing meanss include receiving and send dress
Put, data processing equipment, control device 101 can by receive control respectively to be connected fluid path device 102, gas circuit with dispensing device
Device 103, light path device 104, can obtain fluid path device 102, gas path device 103 respectively and pass through data with light path device 104
Processing meanss recorded data.
In a kind of Portable gas-phase molecular absorption spectrometer that the present embodiment is provided, mixing arrangement 107 is that sample and reagent are mixed
Attach together and put 107, reaction unit 108 is the device that reaction and catalytic reaction occur, and segregation apparatuss 109 are gas-liquid separation device 109.
In a kind of Portable gas-phase molecular absorption spectrometer that the present embodiment is provided, light source 112 is continuous light source or sharp linear light
Source, filtering apparatus 113 be ultraviolet filter, the present embodiment using first irradiating sample, reuse 113 light splitting of filtering apparatus, can
Any part not moved in instrument colorimetric device can just be detected, the filter of mechanical structure used in filtering apparatus 113
Mating plate replace frame for movement monochromator and lens group, simplify the structure of detection means, improve detection means precision and
Resistance to mechanical vibration ability.
In a kind of Portable gas-phase molecular absorption spectrometer that the present embodiment is provided, the connection of segregation apparatuss 109 gurry processes dress
105 are put, the waste gas for producing, waste liquid can timely be excluded in segregation apparatuss 109.
In a kind of Portable gas-phase molecular absorption spectrometer that the present embodiment is provided, photo-detector 114 is detected for photosemiconductor
Device or electron tube detector, detection performance are good, and photosemiconductor detector can be silicon photoelectric diode, imageing sensor, ccd image
Sensor, cmos image sensor, NMOS imageing sensors, electron tube detector can be such as photomultiplier tube, photocell, electronics
Multiplexer, MCP.
To sum up, a kind of Portable gas-phase molecular absorption spectrometer of the present utility model, by increasing capacitance it is possible to increase the precision of detection means
With capacity of resisting disturbance, simple structure, it is easy to carry, adapts to outdoor detection environment.
Above the specific embodiment of utility model is described.It is to be appreciated that utility model is not limited to
Above-mentioned particular implementation, the equipment and structure wherein not described in detail to the greatest extent are construed as being given with the common mode in this area
To implement；Those skilled in the art can make various modifications within the scope of the claims or modification is made and some simply being pushed away
Drill, deform or replace, this has no effect on the flesh and blood of utility model.
Claims (9)
1. a kind of Portable gas-phase molecular absorption spectrometer, it is characterised in that including control device, fluid path device, gas path device
And light path device, the control device controls to connect the fluid path device, the gas path device and light path dress respectively
Put；
The fluid path device includes sampling device, mixing arrangement, reaction unit and the segregation apparatuss being sequentially connected；
The gas path device includes source of the gas, the segregation apparatuss, extinction pipe and the gurry processing meanss being sequentially connected；
Light source that the light path device includes being sequentially connected, the extinction pipe, filtering apparatus, photo-detector.
2. a kind of Portable gas-phase molecular absorption spectrometer as described in claim 1, it is characterised in that the control device,
Processing meanss are respectively equipped with inside fluid path device, gas path device and light path device.
3. a kind of Portable gas-phase molecular absorption spectrometer as described in claim 2, it is characterised in that the processing meanss
Including receiving and dispensing device, data processing equipment.
4. a kind of Portable gas-phase molecular absorption spectrometer as described in claim 1, it is characterised in that the mixing arrangement
For sample and reagent mixing arrangement.
5. a kind of Portable gas-phase molecular absorption spectrometer as described in claim 1, it is characterised in that the segregation apparatuss
For gas-liquid separation device.
6. a kind of Portable gas-phase molecular absorption spectrometer as described in claim 1, it is characterised in that the light source is for connecting
Continuous light source or line source.
7. a kind of Portable gas-phase molecular absorption spectrometer as described in claim 1, it is characterised in that the filtering apparatus
For ultraviolet filter.
8. a kind of Portable gas-phase molecular absorption spectrometer as described in claim 1, it is characterised in that the photo-detector
For photosemiconductor detector or electron tube detector.
9. a kind of Portable gas-phase molecular absorption spectrometer as described in claim 1, it is characterised in that the segregation apparatuss
It is connected to the gurry processing meanss.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620939897.9U CN206020259U (en) | 2016-08-25 | 2016-08-25 | A kind of Portable gas-phase molecular absorption spectrometer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620939897.9U CN206020259U (en) | 2016-08-25 | 2016-08-25 | A kind of Portable gas-phase molecular absorption spectrometer |
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| CN206020259U true CN206020259U (en) | 2017-03-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782678A (en) * | 2016-08-25 | 2018-03-09 | 上海安杰环保科技股份有限公司 | A kind of Portable gas-phase molecular absorption spectrometer |
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2016
- 2016-08-25 CN CN201620939897.9U patent/CN206020259U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782678A (en) * | 2016-08-25 | 2018-03-09 | 上海安杰环保科技股份有限公司 | A kind of Portable gas-phase molecular absorption spectrometer |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201908 room 224, district F, 689 lane, rofen Road, Baoshan District, Shanghai, 224. Patentee after: Shanghai Anjie Zhichuang Technology Co.,Ltd. Address before: 201908 room 224, district F, 689 lane, rofen Road, Baoshan District, Shanghai, 224. Patentee before: SHANGHAI ANJIE ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |