CN109596540A - Gas phase molecular absorption spectrometer with redundancy function of temperature control - Google Patents
Gas phase molecular absorption spectrometer with redundancy function of temperature control Download PDFInfo
- Publication number
- CN109596540A CN109596540A CN201811320336.0A CN201811320336A CN109596540A CN 109596540 A CN109596540 A CN 109596540A CN 201811320336 A CN201811320336 A CN 201811320336A CN 109596540 A CN109596540 A CN 109596540A
- Authority
- CN
- China
- Prior art keywords
- temperature
- temperature sensor
- gas phase
- gas
- molecular absorption
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Automation & Control Theory (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of gas phase molecular absorption spectrometer with redundancy function of temperature control, including control device, fluid path device, gas path device and light path device, the control device controls the connection fluid path device, gas path device and light path device respectively；The fluid path device includes sequentially connected sampling device, sample mixing device and reaction separating device, the reaction separating device connects heater, temperature sensing mechanism is equipped between the heater and reaction separating device, the temperature sensing and mechanism include at least three temperature sensor, the temperature sensor is separately connected voting machine, and the voting machine connects display.Gas phase molecular absorption spectrometer with redundancy function of temperature control of the invention is by being arranged temperature sensing mechanism in reaction separating device and heater, temperature sensing mechanism includes at least three temperature sensor, when the temperature value of two temperature sensors output is consistent, voting machine exports the value, thereby ensures that the temperature control of spectrometer has redundancy.
Description
Technical field
The present invention relates to environmental analysis Instrument technology fields, and in particular to a kind of gas molecule in space suction with redundancy function of temperature control
Receive spectrometer.
Background technique
Gas-phase molecular absorption spectrometry method is the gas that is resolved into based on tested ingredient to the absorption intensity of light and is tested into
The relationship divided abides by this principle of law of light absorption to be quantitative determined.According to the difference of absorbing wavelength, can also determine
Measured ingredient and carry out qualitative analysis.Gas-phase molecular absorption spectrometry method can be used for measuring ammonia nitrogen, total nitrogen, sulfide, nitric acid
Salt nitrogen, nitrite nitrogen, kjeldahl nitrogen etc..
The testing principle of gas-phase molecular absorption spectrometry method is: first by chemical reaction, by aqueous solution ion or
Molecule is converted into certain gas.Gas molecule is generally in relatively steady state, referred to as in the case where not influenced by the external world
For ground state gas molecule.But when these gas molecules receive the light radiation of specific wavelength, it is easy to generate corresponding
Molecular vibration.Occur molecular vibration needed for energy be it is certain, this specific energy is known as characterization of molecules spectral line.In gas phase point
In sub- absorption spectrometry, the light source of specific wavelength is selected, gaseous molecular generates molecular vibration to the characteristic wavelength light that the light source issues
It absorbs, molecular concentration is calculated according to the degree that is absorbed of light.
Gas phase molecular absorption spectrometer when carrying out the detection of the projects such as nitrite nitrogen, need by test substance solution with
Catalyst is catalyzed reaction at a certain temperature, makes the specific gas of its Transient transformation, to be detected, determine containing for substance
Amount.Therefore the temperature measurement and control of reactor just becomes the key factor of system normal operation, and traditional gas molecule in space is inhaled
The system for detecting temperature for receiving spectrometer reactor lacks redundancy, and when temperature sensor breaks down, the chemistry of whole system is anti-
It answers environment to be easy out of hand, causes detection not can be carried out, or lead to the damage of equipment.
Wherein, patent " 201620939524.1 " discloses a kind of all-wave length gas phase molecular absorption spectrometer, reaction unit
Select heating as one of the condition of catalysis reaction, the optimum temperature range for being catalyzed reaction is relatively narrow, therefore the accurate control to temperature
System is just particularly important, and existing gas phase molecular absorption spectrometer is completed the control of temperature by single temperature sensor, lacks superfluous
Remaining and reliability.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of gas phase molecular absorption spectrometer with redundancy function of temperature control,
It can solve gas phase molecular absorption spectrometer in the prior art and lacks that redundancy, reliability is low asks to the control of temperature
Topic.
To solve the above-mentioned problems, the invention adopts the following technical scheme:
The present invention provides a kind of gas phase molecular absorption spectrometer with redundancy function of temperature control, including control device, fluid path dress
It sets, gas path device and light path device, the control device control the connection fluid path device, gas path device and optical path dress respectively
It sets；
The fluid path device includes sequentially connected sampling device, sample mixing device and reaction separating device, the reaction point
From device connect heater, between the heater and reaction separating device be equipped with temperature sensing mechanism, the temperature sensing and
Mechanism includes at least three temperature sensor, and the temperature sensor is separately connected voting machine, and the voting machine connects display.
As a preferred technical solution, the temperature sensing mechanism include the first temperature sensor, second temperature sensor,
Third temperature sensor, first temperature sensor, second temperature sensor, third temperature sensor are close to Reaction Separation dress
The outer wall set, and the height of the first temperature sensor, second temperature sensor, third temperature sensor setting is identical.
The gas path device includes sequentially connected gas source, the separator, extinction pipe as a preferred technical solution,
And gurry processing unit；The light path device includes sequentially connected multiple light courcess device, the extinction pipe, light-dividing device, light
Detector；The multiple light courcess device include light source selection bracket, fixing axle and set on the light source selection internal stent and
The several illuminators being arranged using fixing axle as axle center.
The light-dividing device is optical splitter as a preferred technical solution,.
The optical detector is photosemiconductor detector and electron tube detector as a preferred technical solution,.
The inside difference of the control device, fluid path device, gas path device, light path device as a preferred technical solution,
Equipped with processing unit.
The sample mixing device is sample and reagent mixing arrangement as a preferred technical solution,.
The reaction separating device is from separate type reactor as a preferred technical solution,.
Gas phase molecular absorption spectrometer with redundancy function of temperature control of the invention passes through in reaction separating device and heater
Temperature sensing mechanism is set, and temperature sensing mechanism includes at least three temperature sensor, when the output of two of them temperature sensor
When temperature value is consistent, voting machine exports the value, thereby ensures that the temperature control of spectrometer has redundancy, when therein one
When a or multiple temperature sensors break down, spectrometer can also normally work.
Detailed description of the invention
Invention is further described in detail with specific embodiment with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the gas phase molecular absorption spectrometer of the invention with redundancy function of temperature control；
Fig. 2 is the structural schematic diagram of reaction separating device in spectrometer of the present invention；
Fig. 3 is the structural schematic diagram of temperature sensing mechanism in spectrometer of the present invention.
Wherein, appended drawing reference is described as follows: control device 101, fluid path device 102, gas path device 103, optical path dress
Set 104, gurry processing unit 105, sampling device 106, mixing arrangement 107, reaction separating device 108, heater 109, gas source
110, extinction pipe 111, multiple light courcess device 112, light-dividing device 113, optical detector 114, reactor body 201, inlet 202,
Take a breath mouth 203, leakage mouth 204, leakage fluid dram 205, siphon pipe 206, temperature sensing mechanism 301, voting machine 302, display 303,
First temperature sensor 304, second temperature sensor 305, third temperature sensor 306.
Specific embodiment
As shown in Figure 1, a kind of gas phase molecular absorption spectrometer with redundancy function of temperature control, including control device 101, fluid path
Device 102, gas path device 103 and light path device 104, control device 101 control connection fluid path device 102, gas circuit dress respectively
Set 103 and light path device 104；Temperature sensing mechanism is equipped between heater 109 and reaction separating device 108.
As shown in Fig. 2, reaction separating device includes reactor body 201, reactor body 201 be equipped with inlet 202,
Ventilation mouth 203, leakage fluid dram 205, leakage mouth 204, inlet 202, ventilation mouth 203, leakage fluid dram 205 are respectively communicated with reactor body
201 inside and outside.Ventilation mouth 203 is set to the upper end of reactor body 201, and the height of ventilation mouth 203 is higher than inlet 202
Height, ventilation mouth 203 passes through triple valve connection outside air and gas-detecting device.Leakage fluid dram 205 is set to reactor master
The lower end of body 201, leakage mouth 204 are set to the inside of reactor body 201, the lower edge and reactor body of leakage mouth 204
201 bottom flushes, and leakage mouth 204 is connect with leakage fluid dram 205 by siphon pipe 206, and the height of inlet 202 is higher than siphon pipe
The height of 206 highest points.Difference in height between 206 highest point of siphon pipe and inlet 202 is centimetre.The diameter of inlet 202
It is 3.5 millimeters, the caliber of siphon pipe 206 is 3.5 millimeters.Heater adds reaction separating device in a manner of radiant heating
Heat, the first temperature sensor 304, second temperature sensor 305, third temperature sensor 306 are close to the outer of reactor body 201
Wall.
As shown in figure 3, temperature sensing and mechanism include at least three temperature sensor, temperature sensor is separately connected voting
Device 302, voting machine 302 connect display 303.Temperature sensing mechanism 301 includes the first temperature sensor 304, second temperature biography
Sensor 305, third temperature sensor 306, the first temperature sensor 304, second temperature sensor 305, third temperature sensor
306 are close to the outer wall of reaction separating device, and the first temperature sensor 304, second temperature sensor 305, third temperature sensing
The height that device 306 is arranged is identical.
First temperature sensor 304, second temperature sensor 305, outside 306 real-time detection heating mantle of third temperature sensor
The temperature in portion, and temperature information is sent in voting machine 302, when there are more than two identical values in three temperature informations
When, voting machine 302 exports the value, is shown in display 303.When three temperature informations are unequal, voting machine
302 into display 303 alert, prompting digestion device is overhauled.
Fluid path device 102 includes sequentially connected sampling device 106, mixing arrangement 107, reaction separating device 108, reaction
Separator 108 connects heater 109；
Gas path device 103 includes sequentially connected gas source 110, separator 109, extinction pipe 111 and gurry processing dress
Set 105；
Light path device 104 includes sequentially connected multiple light courcess device 112, extinction pipe 111, light-dividing device 113, optical detector
114；Multiple light courcess device 112 include light source selection bracket, fixing axle and set on light source selection internal stent and with fixing axle
For several illuminators of axle center setting.
A kind of multiple light courcess gas phase adsorption spectrometer provided in this embodiment is to detect gas based on gas-phase molecular absorption spectrometry method
The principle of body, operating process are as follows:
Control device 101, fluid path device 102, gas path device 103 and light path device 104 are assembled, passes through control first
The control operation fluid path device 102 of device 101, sample and classes of agents needed for reaction are filled by sample introduction in fluid path device 102
106 introducing fluid path devices 102 are set, it is mixed and fed into reaction separating device by needed for detection reaction in mixing arrangement 107
108, detection demand of the reagent in reaction separating device 108 according to target substance make by well-mixed sample and reagent into
Row chemical reaction；Wherein, the mode for being catalyzed reaction includes but is not limited to use the modes such as catalyst, heating, photocatalysis.Secondly,
Control device 101 controls gas path device 103, and gas source 110, which will test, is pressed into reaction separating device 108 with carrier gas, can be used for detecting
The characteristic gas of target substance content is brought into extinction pipe 111 by carrier gas in sample；Finally, control device 101 controls optical path dress
104 are set, one of different illuminators of multiple light courcess device 112 is selected to be irradiated, the light irradiation that one of illuminator issues
The characteristic gas brought into extinction pipe 111 by carrier gas, a part of light are absorbed by the gas in extinction pipe 111, remaining light warp
Cross light-dividing device 113, the feature light beam for selecting test substance sink effect strong, luminous intensity is converted into pair by optical detector 114
The electric signal answered, the variation of signal can be used for determining the content of test substance.Waste liquid, the exhaust gas generated in detection process is sent into
Gurry processing unit 105, avoids environmental pollution.
Control device 101, the fluid path device 102, gas circuit of a kind of multiple light courcess gas phase adsorption spectrometer provided in this embodiment
Processing unit is respectively equipped with inside device 103 and light path device 104, processing unit includes at reception and sending device, data
Manage device or external data processing unit, attachment device, control device 101 can be by receiving and the sending device company of control respectively
Fluid path device 102, gas path device 103, light path device 104 are connect, fluid path device 102, gas path device 103 and light can be obtained respectively
Road device 104 passes through data processing equipment recorded data.
The mixing arrangement 107 that a kind of multiple light courcess gas phase adsorption spectrometer provided in this embodiment uses is mixed for sample and reagent
It attaches together and sets 107.
The light for the illuminator transmitting that a kind of multiple light courcess gas phase adsorption spectrometer provided in this embodiment uses is continuous light source
Or line source, when only using line source in concrete operations, light-dividing device 113 is closed or removed, light path module is made
Structure becomes: " multiple light courcess device 112, extinction pipe 111, optical detector 114 ".
The light-dividing device 113 that a kind of multiple light courcess gas phase adsorption spectrometer provided in this embodiment uses is optical splitter, this reality
Example is applied to use first irradiating sample, reuse the light splitting of light-dividing device 113, it can be without moving any part in instrument colorimetric device
It is able to carry out detection, the selection of light-dividing device 113 replaces the monochromator and lens of mechanical structure using the optical filter without mechanical structure
Group simplifies the structure of detection device, improves the precision and resistance to mechanical vibration ability of detection device.
The optical detector 114 that a kind of multiple light courcess gas phase adsorption spectrometer provided in this embodiment uses is photosemiconductor detection
Device or electron tube detector, detection performance is good, and photosemiconductor detector can be silicon photoelectric diode, imaging sensor, ccd image
Sensor, cmos image sensor, NMOS imaging sensor, electron tube detector can be for such as photomultiplier tube, photoelectric tube, electronics
Multiplier, MCP.
The reaction separating device 108 that a kind of multiple light courcess gas phase adsorption spectrometer provided in this embodiment uses is connected to gurry
Processing unit 105.
Use above specific case is illustrated the present invention, is merely used to help understand the present invention, not to limit
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make several simple
It deduces, deform or replaces.
Claims (8)
1. a kind of gas phase molecular absorption spectrometer with redundancy function of temperature control, which is characterized in that filled including control device, fluid path
It sets, gas path device and light path device, the control device control the connection fluid path device, gas path device and optical path dress respectively
It sets；
The fluid path device includes sequentially connected sampling device, sample mixing device and reaction separating device, the Reaction Separation dress
Connection heater is set, temperature sensing mechanism, the temperature sensing and mechanism are equipped between the heater and reaction separating device
Including at least three temperature sensor, the temperature sensor is separately connected voting machine, and the voting machine connects display.
2. a kind of gas phase molecular absorption spectrometer with redundancy function of temperature control as described in claim 1, it is characterised in that: described
Temperature sensing mechanism includes the first temperature sensor, second temperature sensor, third temperature sensor, first temperature sensing
Device, second temperature sensor, third temperature sensor are close to the outer wall of reaction separating device, and the first temperature sensor, second
Temperature sensor, the height of third temperature sensor setting are identical.
3. a kind of gas phase molecular absorption spectrometer with redundancy function of temperature control as described in claim 1, it is characterised in that: described
Gas path device includes sequentially connected gas source, the separator, extinction pipe and gurry processing unit；The light path device packet
Include sequentially connected multiple light courcess device, the extinction pipe, light-dividing device, optical detector；The multiple light courcess device includes light source choosing
Select bracket, fixing axle and several illuminators selecting internal stent set on the light source and being arranged using fixing axle as axle center.
4. a kind of gas phase molecular absorption spectrometer with redundancy function of temperature control as claimed in claim 3, it is characterised in that: described
Light-dividing device is optical splitter.
5. a kind of gas phase molecular absorption spectrometer with redundancy function of temperature control as claimed in claim 3, it is characterised in that: described
Optical detector is photosemiconductor detector and electron tube detector.
6. a kind of gas phase molecular absorption spectrometer with redundancy function of temperature control as described in claim 1, it is characterised in that: described
Control device, fluid path device, gas path device, light path device inside be respectively equipped with processing unit.
7. a kind of gas phase molecular absorption spectrometer with redundancy function of temperature control as described in claim 1, it is characterised in that: described
Sample mixing device is sample and reagent mixing arrangement.
8. a kind of gas phase molecular absorption spectrometer with redundancy function of temperature control as described in claim 1, it is characterised in that: described
Reaction separating device is from separate type reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320336.0A CN109596540A (en) | 2018-11-07 | 2018-11-07 | Gas phase molecular absorption spectrometer with redundancy function of temperature control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320336.0A CN109596540A (en) | 2018-11-07 | 2018-11-07 | Gas phase molecular absorption spectrometer with redundancy function of temperature control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109596540A true CN109596540A (en) | 2019-04-09 |
Family
ID=65957299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811320336.0A Pending CN109596540A (en) | 2018-11-07 | 2018-11-07 | Gas phase molecular absorption spectrometer with redundancy function of temperature control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109596540A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751309A (en) * | 2020-07-13 | 2020-10-09 | 上海安杰环保科技股份有限公司 | Portable sulfide tester |
| CN112903414A (en) * | 2021-02-08 | 2021-06-04 | 杭州帆昂环保科技有限公司 | Multi-parameter automatic water quality analysis method and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692937A (en) * | 2012-06-07 | 2012-09-26 | 辽宁省电力有限公司本溪供电公司 | Uniform control system for temperature of equipment |
| CN206300893U (en) * | 2016-11-29 | 2017-07-04 | 上海安杰环保科技股份有限公司 | A kind of multiple light courcess gas phase adsorption spectrometer |
| CN207964114U (en) * | 2017-12-12 | 2018-10-12 | 成都元景科技有限公司 | Triplex level redundancy type temperature sensor |
-
2018
- 2018-11-07 CN CN201811320336.0A patent/CN109596540A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692937A (en) * | 2012-06-07 | 2012-09-26 | 辽宁省电力有限公司本溪供电公司 | Uniform control system for temperature of equipment |
| CN206300893U (en) * | 2016-11-29 | 2017-07-04 | 上海安杰环保科技股份有限公司 | A kind of multiple light courcess gas phase adsorption spectrometer |
| CN207964114U (en) * | 2017-12-12 | 2018-10-12 | 成都元景科技有限公司 | Triplex level redundancy type temperature sensor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751309A (en) * | 2020-07-13 | 2020-10-09 | 上海安杰环保科技股份有限公司 | Portable sulfide tester |
| CN112903414A (en) * | 2021-02-08 | 2021-06-04 | 杭州帆昂环保科技有限公司 | Multi-parameter automatic water quality analysis method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101726468B (en) | Nox analyzer | |
| US8128874B2 (en) | Pressurized detectors substance analyzer | |
| CN206300893U (en) | A kind of multiple light courcess gas phase adsorption spectrometer | |
| US6589795B2 (en) | Method and device for detecting mercury | |
| US20210364512A1 (en) | Method and apparatus to provide connected, in-situ, comprehensive, and accurate lateral flow assays | |
| CN109596540A (en) | Gas phase molecular absorption spectrometer with redundancy function of temperature control | |
| CN112763443A (en) | Carbon dioxide sensor, calibration method and online detector | |
| CN107782677A (en) | A kind of all-wave length gas phase molecular absorption spectrometer | |
| US10856391B2 (en) | Method to correct signal light intensities measured by a detector of a detection unit in a laboratory instrument | |
| JPH1082740A (en) | Infrared gas analyzer | |
| CN104931441A (en) | Method and device for quickly detecting hemoglobin | |
| WO1980000273A1 (en) | Sample introduction system for flameless emission spectroscopy | |
| CN206020258U (en) | A kind of all-wave length gas phase molecular absorption spectrometer | |
| CN107782678A (en) | A kind of Portable gas-phase molecular absorption spectrometer | |
| GB2163553A (en) | Method and apparatus for chemiluminescence analysis | |
| CN209311306U (en) | A kind of gas phase molecular absorption spectrometer | |
| CN206020259U (en) | A kind of Portable gas-phase molecular absorption spectrometer | |
| US20120149122A1 (en) | Device and method for determining the concentration of a compound in an aqueous or gaseous phase | |
| CN202614669U (en) | Portable gaseous phase molecular absorption spectrograph | |
| CN109612931A (en) | A kind of gas phase molecular absorption spectrometer | |
| CN203758915U (en) | Multi-parameter instrument for atomic fluorescence spectrum detection | |
| CN210090300U (en) | Bromate content detection device in drinking water | |
| CN103087907B (en) | Relative calibration system for verification and correction of biological PCR (polymerase chain reaction) real-time fluorescent detection system | |
| Allabashi et al. | Validation of three atomic absorption spectrometric methods for the determination of selenium–a comparative evaluation of performance characteristics | |
| CN103822907B (en) | Multiparameter instrument for atomic fluorescence spectrophotometry detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230410 Address after: 201900 Building 13, Lane 177, Fulian Second Road, Baoshan District, Shanghai Applicant after: Shanghai Anjie Zhichuang Technology Co.,Ltd. Address before: 450001 No. 808, Zone B, No. 7 Dongqing Street, Zhengzhou High tech Industrial Development Zone, Zhongyuan District, Zhengzhou City, Henan Province Applicant before: HENAN JIPU MASI ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190409 |