CN209342611U - A kind of light path compensation system of the flue gas analyser based on ultraviolet fluorescence method - Google Patents
A kind of light path compensation system of the flue gas analyser based on ultraviolet fluorescence method Download PDFInfo
- Publication number
- CN209342611U CN209342611U CN201821939282.1U CN201821939282U CN209342611U CN 209342611 U CN209342611 U CN 209342611U CN 201821939282 U CN201821939282 U CN 201821939282U CN 209342611 U CN209342611 U CN 209342611U
- Authority
- CN
- China
- Prior art keywords
- chip microcontroller
- flue gas
- gas analyser
- light source
- compensation system
- 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.)
- Active
Links
Landscapes
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model relates to a kind of light path compensation system of flue gas analyser based on ultraviolet fluorescence method, including flue gas analyser and single-chip microcontroller, flue gas analyser includes interconnected fluorescent ventricle and thermostatic chamber, and fluorescence chamber inner space is set as reaction tank；The adjacent thermostatic chamber side of fluorescent ventricle is successively arranged light source, the first optical filter and the first lens from outside to inside, form an input path, photomultiplier tube is equipped in thermostatic chamber, the second lens and the second optical filter are successively arranged in fluorescent ventricle between photomultiplier tube and reaction tank from outside to inside, form an optical path；Photomultiplier tube connects single-chip microcontroller, the electric signal formed after measurement is passed to single-chip microcontroller, light source connects power supply module by power-supply controller of electric, fluorescent ventricle's facing light sources side is equipped with photoelectric detector, photoelectric detector connects single-chip microcontroller, single-chip microcontroller output connection power-supply controller of electric compensates change in fluorescence caused by the fluctuating because of luminous intensity to control to adjust the output voltage of power supply module, with this.
Description
Technical field
The utility model relates to a kind of flue gas analysers, and in particular to a kind of sulfur dioxide based on ultraviolet fluorescence method
The light path compensation system of analyzer.
Background technique
Sulfur dioxide is a kind of important environmental pollution gas, and with the development of economy, SO2 emissions constantly increase
Add, causes serious municipal pollution and acid rain to spread, sulfur dioxide is classified as general measure project, and conduct by most cities
One of content is declared in environmental statistics, and the concentration for quickly and accurately detecting sulfur dioxide is pre- in environmental protection, environmental monitoring, environment
Play a significant role in the fields such as police, pollution source apportionment, evaluation of flue gas desulfurizer performance.
In current flue gas analyser, usually due to the fluctuating of the luminous intensity of ultraviolet lamp, so that fluorescence becomes
Change, causes the sulfur dioxide concentration result finally measured to generate deviation, while the fluorescent ventricle of flue gas analyser also can be to two
Sulfur oxide carries out a certain amount of absorption, and certain influence can be also generated to measurement result.
Utility model content
In view of this, a kind of optical path for disclosing flue gas analyser based on ultraviolet fluorescence method of the utility model is mended
Repay system, the luminous intensity of light source can be adjusted in real time, with compensate because luminous intensity fluctuating caused by change in fluorescence.
The utility model provides a kind of light path compensation system of flue gas analyser based on ultraviolet fluorescence method, including
Flue gas analyser and single-chip microcontroller, the flue gas analyser include interconnected fluorescent ventricle and thermostatic chamber, described glimmering
Light room inner space is set as reaction tank；
The adjacent thermostatic chamber side of the fluorescent ventricle is successively arranged light source, the first optical filter and first thoroughly from outside to inside
Mirror is respectively positioned on same axis at the center of the light source, the first optical filter and the first lens, is formed one and is connected with reaction tank
Input path, the light source by power-supply controller of electric connect a power supply module, the power-supply controller of electric include two terminals and
One signal triggering end, two terminals are separately connected the light source and power supply module, the adjacent light source one of the fluorescent ventricle
Side is equipped with the thermostatic chamber, and a photomultiplier tube is equipped in the thermostatic chamber, and the photomultiplier tube, which is equipped with, receives fluorescence
Enter optical window, is successively arranged the second lens and second in the fluorescent ventricle between the photomultiplier tube and reaction tank from outside to inside and filters
Piece, it is described enter optical window, the second lens and the second optical filter center at be respectively positioned on same axis, formed and one be connected with reaction tank
Logical optical path；The photomultiplier tube connects the single-chip microcontroller, single-chip microcontroller output one display module of connection, for showing
Show the data stored in single-chip microcontroller；
The relatively described light source side of the fluorescent ventricle is equipped with photoelectric detector, and the photoelectric detector and light source are coaxially opposite
Setting, the light intensity of ultraviolet light is issued for detecting light source, and the photoelectric detector connects the single-chip microcontroller, the single-chip microcontroller output
Connection signal triggering end, for controlling to adjust the output voltage of power supply module.
Further, the angle of the input path center line and optical path center line is 90 °.
Further, first lens and the second lens are convex lens, and the narrowband that the first optical filter is 213.8nm is filtered
Mating plate, the second optical filter are the narrow band filter of 330nm.
Further, fluorescent ventricle's side wall is equipped with the air inlet pipe and an air outlet pipe being connected to reaction tank, the air inlet pipe
End connects a hair dryer, and the outlet tube end connects an exhaust fan, the air inlet pipe or escape pipe and passes equipped with a pressure
Sensor, described single-chip microcontroller one end connect the pressure sensor, and other end output connects the hair dryer and exhaust fan, for connecing
The reaction tank gas pressure value of pressure sensor measurement is received, and controls the start and stop of hair dryer or exhaust fan.
Further, intake valve and air outlet valve, the intake valve and outlet are respectively equipped in the air inlet pipe and an air outlet pipe
Valve is solenoid valve, and the coil of the intake valve is connected with the coil of hair dryer, the coil of the air outlet valve and exhaust fan
Coil series connection.
Further, it is equipped with refrigerator in the thermostatic chamber in the photomultiplier tube, and interts in the thermostatic chamber and is equipped with
One Temperature Humidity Sensor, described single-chip microcontroller one end connect the Temperature Humidity Sensor, and other end output connects the refrigerator, uses
In the reception received temperature and humidity value of Temperature Humidity Sensor, and control the indoor temperature and humidity of refrigerator regulating thermostatic.
Further, the refrigerator is semiconductor cooler, and a base is equipped between the semiconductor cooler and single-chip microcontroller
The refrigeration of semiconductor cooler is realized for controlling the polarity for passing through semiconductor cooler DC current in the driving circuit of H bridge
Or heating.
Further, the single-chip microcontroller connects a key module, for adjusting the control parameter in single-chip microcontroller.
Further, it is coated with inert polymer material in the fluorescent ventricle, for reducing SO in fluorescent ventricle2Adsorbance,
To guarantee the activity of the fluorescence generated.
Technical solution provided by the utility model has the benefit that the light with setting at ultraviolet source coaxial position
Photodetector can be with the luminous intensity of real-time detection ultraviolet lamp, and adjusts the luminous intensity of light source in real time by single-chip microcontroller, with
This compensation because luminous intensity fluctuating caused by change in fluorescence, so that it is guaranteed that the stabilization of light source luminescent intensity and accurate；Pass through
Pressure sensor and Temperature Humidity Sensor control hair dryer, exhaust fan and refrigerator respectively, to compensate the change by environmental factor
Change the drift generated, error, and guarantees the stabilization of whole system, efficiently and accurately runs；Counterflow exchange side is used in air inlet pipe
Method can wash away the hydrocarbon in sample gas, to ensure to generate the accuracy of fluorescence；Inert polymer is coated in fluorescent ventricle
Material, it is possible to reduce the adsorbance of indoor SO2, and ensure to generate the activity of fluorescence.
Detailed description of the invention
Fig. 1 is a kind of light path compensation system of the flue gas analyser based on ultraviolet fluorescence method of the utility model embodiment
Structure chart；
Fig. 2 is the control principle drawing of the utility model embodiment；
Fig. 3 is the circuit diagram of the driving circuit of Fig. 1.
In figure: 1, single-chip microcontroller 2, fluorescent ventricle 3, thermostatic chamber 4, light source 5, the first optical filter 6, the first lens 7, power supply
Controller 8, power supply module 9, photomultiplier tube 10, the second lens 11, the second optical filter 12, display module 13, photoelectricity
Detector 14, air inlet pipe 15, escape pipe 16, hair dryer 17, exhaust fan 18, pressure sensor 19, refrigerator 20, temperature
Humidity sensor 21, driving circuit 22, key module.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is further described.
Fig. 1 and Fig. 2 are please referred to, the embodiments of the present invention disclose a kind of titanium dioxide sulphur content based on ultraviolet fluorescence method
The light path compensation system of analyzer, including flue gas analyser, the flue gas analyser includes a fluorescent ventricle 2, described glimmering
2 internal cavities of light room are set as reaction tank, and wherein side is successively arranged light source 4, the first optical filter 5 from outside to inside for the fluorescent ventricle 2
Be respectively positioned on same axis with the center of the first lens 6, the light source 4, the first optical filter 5 and the first lens 6, formed one with it is anti-
The input path that Ying Chi is connected, the light source 4 are ultraviolet lamp, generally use zinc lamp, in the present embodiment, are chosen capable of emitting
For the zinc lamp of 213.8nm length ultraviolet light as light source 4, the light source 4 connects a power supply module 8, and lithium electricity can be used in power supply module 8
Pond group, for powering for light source 4, adjacent 4 side of light source of the fluorescent ventricle 2 is equipped with thermostatic chamber 3, inside the thermostatic chamber 3
Space is connected with reaction tank, and a photomultiplier tube 9 is installed in the thermostatic chamber 3, and the photomultiplier tube 9 is equipped with and is used for
It receives fluorescence and enters optical window, the second optical filter 11 and the are additionally provided in the fluorescent ventricle 2 between the thermostatic chamber 3 and reaction tank
The center of two lens 10, second optical filter 11 and the second lens 10 and it is described enter optical window center be respectively positioned on same axis
On, form an optical path being connected with reaction tank；Meanwhile the incident light that first optical filter 5 and the first lens 6 are formed
The angle for the optical path center line that Lu Zhizheng line and second optical filter 11 and the second lens 10 are formed is 90 °.
Further, first lens 6 and the second lens 10 are convex lens, in the present embodiment, the first optical filter 5
Using the narrow band filter of 213.8nm, and then first optical filter 5 can only filter out the ultraviolet light of 213.8nm, and then more preferable
Excitation SO2Molecule issues fluorescence, and the second optical filter 11 uses the narrow band filter of 330nm, and then as far as possible by the glimmering of sending
Light is collected, and is measured by the photomultiplier tube 9.
The ultraviolet light for the 213.8nm wavelength that the light source 4 issues successively filters by first optical filter 5 and first is saturating
After mirror 6 is assembled, it can produce the directional light of single wavelength and enter in the reaction tank of fluorescent ventricle 2, the SO in following reaction pond2
Provocative reaction occurs after being activated under the ultraviolet light of 213.8nm wavelength for molecule, then decays to lower energy shape
State simultaneously issues fluorescence, fluorescence intensity and SO2The concentration of molecule is in a linear relationship, and reaction equation is as follows:
SO2+hv1→SO2*→SO2+hv2
The fluorescence is collected by the second lens 10 to the photomultiplier tube 9 after the filtering of the second optical filter 11 of 330nm
Interior, the photomultiplier tube 9 can generate an amplitude and SO after receiving the fluorescence by entering optical window2The directly proportional telecommunications of concentration
Number, while the electric signal is amplified.
The photomultiplier tube 9 connects a single-chip microcontroller 1, and the electric signal for exporting after amplifying photomultiplier tube 9 transmits
It in single-chip microcontroller 1 and stores, the single-chip microcontroller 1 is also connected with a display module 12, and the single-chip microcontroller 1 can receive above-mentioned photomultiplier transit
The amplified electric signal of pipe 9, and shown by the display module 12, in the present embodiment, the single-chip microcontroller 1 uses
C8051F, the display module 12 use LCD display, model LCD 1604, the pin of the single-chip microcontroller 1C8051F and aobvious
The pin of display screen LCD 1604 is correspondingly connected with, to realize that the output of data in single-chip microcontroller 1 is shown；
The single-chip microcontroller 1C8051F can also connect a key module 22, and the key module 22 can input different
Parameter, and the parameter signal of input is sent in display module 12 by single-chip microcontroller 1 and is shown, and then adjustable monolithic
Control parameter in machine 1.
There are also a photoelectric detector 13, the photoelectric detector 13 and light sources for relatively described 4 side of light source of the fluorescent ventricle 2
4 are coaxially oppositely arranged, and can detect that light source 4 issues the light intensity of ultraviolet light, the photoelectric detector 13 connects with the single-chip microcontroller 1
It connects, 1 other end of single-chip microcontroller output, one power-supply controller of electric 7 of connection, the power-supply controller of electric 7 uses digitial controller, described
Power-supply controller of electric 7 includes two terminals and a signal triggering end, and a wherein terminals for the power-supply controller of electric 7 connect the electricity
Source component 8, another terminals connect the light source 4, and the signal triggering end of the power-supply controller of electric 7 connects the single-chip microcontroller 1, uses
In the control signal for receiving the sending of single-chip microcontroller 1 to adjust the voltage of the output of power supply module 8, and then the brightness that light source 4 issues is controlled,
Change in fluorescence caused by being compensated with this because of light source semi-finals degree, so that it is guaranteed that the stabilization of light source semi-finals degree and accurate.
2 side wall of fluorescent ventricle is equipped with the air inlet pipe 14 being connected to reaction tank and escape pipe 15,14 end of air inlet pipe
Portion connects a hair dryer 16, and 15 end of escape pipe connects an exhaust fan 17, wherein since the volume of fluorescent ventricle 2 generally has
Limit, therefore the hair dryer 16 and exhaust fan 17 are all made of micro air pump, the air inlet pipe 14 or escape pipe 15 are equipped with a pressure
Force snesor 18, described 1 one end of single-chip microcontroller connect the pressure sensor 18, and other end output connects the hair dryer 16 and takes out
Blower 17 for receiving the pressure signal of the measurement of pressure sensor 18, and is compared with the rated pressure value set in single-chip microcontroller 1
It is right, and then the control hair dryer 16 and exhaust fan 17 are inflated and deflate to fluorescent ventricle 2, to adjust the sky in fluorescent ventricle 2
Atmospheric pressure.
Further, the air inlet pipe 14 is equipped with an intake valve, and the escape pipe 15 is equipped with an air outlet valve, meanwhile,
The intake valve and air outlet valve are solenoid valve, and the coil of the intake valve is connected with the coil of hair dryer 16, the outlet
The coil of valve is connected with the coil of exhaust fan 17, is realized and is opened and closed while hair dryer 16 and intake valve are when being powered, with
And exhaust fan 17 and air outlet valve when being powered while open and close, guarantee the good sealing of fluorescent ventricle 2 from there through valve
Property；At this point, the pressure sensor 18 is between intake valve and fluorescent ventricle 2 if pressure sensor 18 is located in air inlet pipe 14
Pipeline on, if pressure sensor 18 is located on escape pipe 15, the pressure sensor 18 is between air outlet valve and fluorescent ventricle 2
Pipeline on, as long as the pressure value in fluorescent ventricle 2 can be accurately measured.
Meanwhile the method that counterflow exchange can be used in the air inlet pipe 14 and escape pipe 15 washs the hydrocarbon in sample gas
It removes, and then ensures to generate the accuracy of fluorescence.
It is equipped with a refrigerator 19 in thermostatic chamber 3 around the photomultiplier tube 9, and interts in the thermostatic chamber 3 and is equipped with
One Temperature Humidity Sensor 20, described 1 one end of single-chip microcontroller connect the Temperature Humidity Sensor 20, and other end output connects the refrigeration
Device 19 for receiving the received temperature and humidity value of Temperature Humidity Sensor 20, and controls refrigerator 19 and is heated or freezed
Processing, with the temperature and humidity in regulating thermostatic room 3.
Further, the refrigerator 19 is semiconductor cooler 19, is set between the semiconductor cooler 19 and single-chip microcontroller 1
There is a driving circuit 21 based on H bridge, for controlling the polarity for passing through 19 DC current of semiconductor cooler, realizes semiconductor system
The refrigeration or heating of cooler 19, and then realize the thermostatic control for 9 ambient enviroment of photomultiplier tube, to compensate by environmental factor
Variation generate drift, error, guarantee the stabilization, efficiently and accurate operation of whole system.
Referring to FIG. 3, above-mentioned driving circuit 21 includes diode D1, D2, D3 and D4, diode L1, L2, L3 and L4, electricity
Hold C1, C2, C3 and C4, triode Q1, Q2, Q3 and Q4 and resistance R1, wherein the Q1 and Q4 is PNP type triode, it is described
Q2 and Q3 is PNP type triode, and the base stage of triode Q1, Q2, Q3 and Q4 respectively correspond OUT1, OUT2, OUT3 and OUT4, described
Triode Q1 and Q3 series connection are latter to be terminated into power Vcc, other end series resistance R1 ground connection, after the triode Q4 and Q2 series connection
Power Vcc, other end series resistance R1 ground connection, after described 19 one end of semiconductor cooler is connected with inductance L1, L2 are accessed in one end
The junction triode Q1 and Q3 is accessed, the access junction triode Q4 and Q2 after the other end is connected with inductance L3, L4, inductance L1,
It is grounded, is grounded after 19 junction series capacitance C2 of inductance L2 and semiconductor cooler, semiconductor after the series capacitance C1 of the junction L2
It is grounded after refrigerator 19 and the junction inductance L3 series capacitance C3, is grounded after the series capacitance C4 of the junction inductance L3, L4, meanwhile,
Triode Q1, Q2, Q3 and Q4 distinguish parallel diode L1, L2, L3 and L4, and the conducting direction of diode L1, L2, L3 and L4 with
The conducting direction of corresponding triode Q1, Q2, Q3 and Q4 are opposite.
It is found that OUT3 is height, OUT4 is low level when single-chip microcontroller 1 exports in figure, OUT2 is low level, OUT1 is high level
When, triode Q3 and Q4 are disconnected, and triode Q1 and Q2 conducting, electric current flow from left to right in semiconductor cooler 19, are realized
Refrigeration processing；Conversely, OUT3 is low level, OUT4 is high level, and when OUT2 is high level, OUT1 is low level, triode Q3
It is connected with Q4, triode Q1 and Q2 are disconnected, and electric current flows from right to left in semiconductor cooler 19, realize heat treatment.
Further, it is coated with inert polymer material in the fluorescent ventricle 2, such as FEP or PTFE can be used, it is glimmering to reduce
SO in light room 22Adsorbance, and ensure generate fluorescence activity.
Specific embodiment described in the utility model is only to give an example to the spirit of the present invention.This is practical
Novel person of ordinary skill in the field can make various modifications or additions to the described embodiments or adopt
It is substituted with similar mode, but without departing from the spirit of the present application or surmounts model defined in the appended claims
It encloses.In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.The foregoing is merely
The preferred embodiment of the utility model, is not intended to limit the utility model, within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of light path compensation system of the flue gas analyser based on ultraviolet fluorescence method, including flue gas analyser and list
Piece machine, it is characterised in that: the flue gas analyser includes interconnected fluorescent ventricle and thermostatic chamber, inside the fluorescent ventricle
Space is set as reaction tank；The adjacent thermostatic chamber side of the fluorescent ventricle be successively arranged from outside to inside light source, the first optical filter and
First lens are respectively positioned on same axis at the center of the light source, the first optical filter and the first lens, form one and reaction tank
The input path being connected, the light source connect a power supply module by power-supply controller of electric, and the power-supply controller of electric connects including two
Line end and a signal triggering end, two terminals are separately connected the light source and power supply module, and the fluorescent ventricle is adjacent described
Light source side is equipped with the thermostatic chamber, and a photomultiplier tube is equipped in the thermostatic chamber, and the photomultiplier tube, which is equipped with, to be received
Fluorescence enters optical window, is successively arranged the second lens and second from outside to inside in the fluorescent ventricle between the photomultiplier tube and reaction tank
Optical filter, it is described enter optical window, the second lens and the second optical filter center at be respectively positioned on same axis, form one and reaction tank
The optical path being connected；The photomultiplier tube connects the single-chip microcontroller, and single-chip microcontroller output one display module of connection is used
In the data stored in display single-chip microcontroller；The relatively described light source side of the fluorescent ventricle is equipped with photoelectric detector, the photoelectricity inspection
It surveys device to be coaxially oppositely arranged with light source, the light intensity of ultraviolet light is issued for detecting light source, the photoelectric detector connects the list
Piece machine, the single-chip microcontroller exports connection signal triggering end, for controlling to adjust the output voltage of power supply module.
2. the light path compensation system of the flue gas analyser based on ultraviolet fluorescence method, feature exist according to claim 1
In: the angle of the input path center line and optical path center line is 90 °.
3. the light path compensation system of the flue gas analyser based on ultraviolet fluorescence method, feature exist according to claim 2
It is convex lens in: first lens and the second lens, the first optical filter is the narrow band filter of 213.8nm, and second filters
Piece is the narrow band filter of 330nm.
4. the light path compensation system of the flue gas analyser based on ultraviolet fluorescence method, feature exist according to claim 2
In: fluorescent ventricle's side wall is equipped with the air inlet pipe and an air outlet pipe being connected to reaction tank, one blowing of air inlet tube end connection
Machine, the outlet tube end connect an exhaust fan, and the air inlet pipe or escape pipe are equipped with a pressure sensor, the single-chip microcontroller
One end connects the pressure sensor, and other end output connects the hair dryer and exhaust fan, surveys for receiving pressure sensor
The reaction tank gas pressure value of amount, and control the start and stop of hair dryer or exhaust fan.
5. the light path compensation system of the flue gas analyser based on ultraviolet fluorescence method, feature exist according to claim 4
In: intake valve and air outlet valve are respectively equipped in the air inlet pipe and an air outlet pipe, the intake valve and air outlet valve are solenoid valve, and
The coil of the intake valve is connected with the coil of hair dryer, and the coil of the air outlet valve is connected with the coil of exhaust fan.
6. the light path compensation system of the flue gas analyser based on ultraviolet fluorescence method, feature exist according to claim 4
In: it is equipped with refrigerator in the thermostatic chamber in the photomultiplier tube, and interts in the thermostatic chamber and is equipped with a Temperature Humidity Sensor,
Described single-chip microcontroller one end connects the Temperature Humidity Sensor, and other end output connects the refrigerator, passes for receiving temperature and humidity
The received temperature and humidity value of sensor, and control the indoor temperature and humidity of refrigerator regulating thermostatic.
7. the light path compensation system of the flue gas analyser based on ultraviolet fluorescence method, feature exist according to claim 6
In: the refrigerator is semiconductor cooler, and a driving electricity based on H bridge is equipped between the semiconductor cooler and single-chip microcontroller
The refrigeration or heating of semiconductor cooler are realized for controlling the polarity for passing through semiconductor cooler DC current in road.
8. the light path compensation system of the flue gas analyser based on ultraviolet fluorescence method, feature exist according to claim 2
In: the single-chip microcontroller connects a key module, for adjusting the control parameter in single-chip microcontroller.
9. the light path compensation system of the flue gas analyser based on ultraviolet fluorescence method described in -8 any one according to claim 1,
It is characterized by: inert polymer material is coated in the fluorescent ventricle, for reducing SO in fluorescent ventricle2Adsorbance, with guarantee
The activity of the fluorescence of generation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821939282.1U CN209342611U (en) | 2018-11-22 | 2018-11-22 | A kind of light path compensation system of the flue gas analyser based on ultraviolet fluorescence method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821939282.1U CN209342611U (en) | 2018-11-22 | 2018-11-22 | A kind of light path compensation system of the flue gas analyser based on ultraviolet fluorescence method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209342611U true CN209342611U (en) | 2019-09-03 |
Family
ID=67747839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821939282.1U Active CN209342611U (en) | 2018-11-22 | 2018-11-22 | A kind of light path compensation system of the flue gas analyser based on ultraviolet fluorescence method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209342611U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029337A (en) * | 2021-03-19 | 2021-06-25 | 合肥福瞳光电科技有限公司 | A zinc lamp for sulfur dioxide detects |
| CN113155793A (en) * | 2021-03-18 | 2021-07-23 | 安徽安光环境科技有限公司 | Quantitative detection device for concentration of sulfur dioxide in air based on ultraviolet fluorescence method |
-
2018
- 2018-11-22 CN CN201821939282.1U patent/CN209342611U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155793A (en) * | 2021-03-18 | 2021-07-23 | 安徽安光环境科技有限公司 | Quantitative detection device for concentration of sulfur dioxide in air based on ultraviolet fluorescence method |
| CN113029337A (en) * | 2021-03-19 | 2021-06-25 | 合肥福瞳光电科技有限公司 | A zinc lamp for sulfur dioxide detects |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205593914U (en) | Portable gaseous pollutants concentration detection device | |
| CN209342611U (en) | A kind of light path compensation system of the flue gas analyser based on ultraviolet fluorescence method | |
| CN102183482B (en) | Non-disperse infrared multi-component flue gas analyzer | |
| CN110006837A (en) | A kind of NDIR gas sensor system and humiture compensation method | |
| CN108982396A (en) | A kind of infrared CO2Gas sensor and its calibration system and humiture compensation method | |
| CN105865853A (en) | Online analysis system of ship exhaust emission | |
| CN106290163B (en) | Dinitrogen pentoxide and concentration of nitric acid on-line monitoring system and monitoring method in a kind of atmosphere | |
| CN200947084Y (en) | Electromodulation non-dispersed infrared gaseous sensor | |
| CN106053551A (en) | Multi-channel multi-type sensor capability test system | |
| US8440466B2 (en) | Nitrogen oxide analyzer and method for setting parameter applied to nitrogen oxide analyzer | |
| CN205317662U (en) | UV spectrum flue gas analyzer | |
| CN201041549Y (en) | Device for analyzing nitrogen oxide by chemiluminescence method | |
| CN108444935A (en) | A kind of temperature-compensation method and compensation device of non-dispersive infrared gas sensor | |
| CN208206922U (en) | A kind of infrared CO2Gas sensor and its calibration system | |
| CN109855708A (en) | A kind of flow inspection, calibrating installation and method | |
| CN211927622U (en) | Portable oil smoke detector | |
| CN103115999A (en) | Gas-solid phase photocatalytic reaction effect detection device and method with controllable influence factor change | |
| CN101153832B (en) | Gas sampling room | |
| CN106596446A (en) | Handheld type flue gas detector based on in-situ hot-wet method | |
| CN102478517A (en) | Sulfur dioxide detector | |
| CN109374536A (en) | Ozone concentration measurement device and method | |
| CN203643340U (en) | Fluorescence reaction detector | |
| CN209559311U (en) | A kind of flow inspection, calibrating installation | |
| CN205879854U (en) | Indoor how gaseous detection device | |
| CN209264552U (en) | Ozone concentration measurement device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An Optical Path Compensation System of a Sulfur Dioxide Analyzer Based on Ultraviolet Fluorescence Method Effective date of registration: 20220823 Granted publication date: 20190903 Pledgee: Wuhan area branch of Hubei pilot free trade zone of Bank of China Ltd. Pledgor: WUHAN YITE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2022420000270 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |