CN216955710U - Integrated SO2Cross interference compensation device - Google Patents

Abstract

The utility model discloses an integrated SO₂A cross interference compensation device relates to the field of environmental monitoring equipment and comprises a CH₄Gas detection sensor, H₂S、NH₃Gas detection sensor, said CH₄The gas detection sensor includes a first gas cell outside of the first gas cellThe surface of the device is provided with a stepping motor, the output end of the stepping motor is fixedly connected with an output shaft, and in the utility model, CH is used for driving the stepping motor to rotate₄The gas detection sensor adopts an infrared gas correlation filtering method and H₂S、NH₃The gas detection sensor adopts a method of combining ultraviolet spectrum absorption methods to respectively detect CH₄、NH₃、H₂Accurate detection of S gas, combined with model calculation, realizes SO₂Cross interference in detection is effectively compensated, so that CH in smoke is eliminated₄、NH₃、H₂S gas to SO₂The test can generate different degrees of interference, and the SO in the complex smoke of the fixed pollution source can be greatly improved₂And (4) testing accuracy.

Description

Integrated SO2Cross interference compensation device

Technical Field

The utility model relates to the field of environmental monitoring equipment, in particular to an integrated SO₂A cross interference compensation device.

Background

Infrared spectroscopy and constant potential electrolysis flue gas analyzers are widely applied to fixed pollution source flue gas testing. For years, through observation and data inquiry, when CH exists in smoke₄、 NH₃、H₂S gas to SO₂The test will generate different interference, resulting in test data distortion and causing troubles to the decision of the ecological environment management department.

Currently, infrared spectrophotometers detect SO₂When a single wavelength is adopted, the luminous flux with effective wavelength (7.3 mu m) is realized through a band-pass filter, and the attenuation of the luminous flux corresponds to SO₂The concentration of (c). Considering the absorption intensity for enhancing the amount of transmitted light, the half width of the filter is increased by the width, and if other unknown gases also absorb at the wavelength of the width, SO will be absorbed₂The detection of (2) brings interference, resulting in deviation of the test result. The sensor of the constant potential electrolysis method has serious cross interference phenomenon in the complex flue gas, although the sensor provides prompt data of relevant interference when leaving the factory, the data range is wider, the application of a flue gas analyzer manufacturer to the prompt data is obviously insufficient, and SO is caused₂Data interference phenomena are common.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an integrated SO₂A cross interference compensation device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

integrated form SO₂The cross interference compensation device comprises CH₄Gas detection sensor, H₂S、NH₃Gas detection sensorSensor, the CH₄The gas detection sensor comprises a first gas pool, a stepping motor is arranged on the outer surface of the first gas pool, an output end of the stepping motor is fixedly connected with an output shaft, the other end of the output shaft of the stepping motor is fixedly connected with a modulation wheel, an infrared light source is arranged on the outer surface of the first gas pool, a second concave mirror and a third concave mirror are fixedly mounted on the inner wall of one side of the first gas pool, a first concave mirror is fixedly mounted on the inner wall of the other side of the first gas pool, a first gas inlet is fixedly connected to the input end of the first gas pool, a first gas outlet is fixedly connected to the output end of the first gas pool, and an infrared detector is arranged outside the CH4 gas detection sensor;

said H₂S、NH₃The gas detection sensor comprises a second gas pool, wherein a xenon lamp light source module and a spectrometer module are arranged on the outer surface of the second gas pool, an optical fiber collimator and an optical fiber focalizer are fixedly arranged on one side of the second gas pool, an output end of the xenon lamp light source module is fixedly connected with an optical fiber, a fourth concave mirror is fixedly arranged on the inner wall of one side of the second gas pool, a fifth concave mirror and a sixth concave mirror are fixedly arranged on the inner wall of the other side of the second gas pool, a second gas inlet is fixedly connected with the input end of the second gas pool, a second gas outlet is fixedly connected with the output end of the second gas pool, and the H gas is discharged from the H gas pool₂S、NH₃And a central control CPU module and a cross interference algorithm processor are arranged outside the gas detection sensor.

Preferably, a window is fixedly installed on the outer wall of the first gas pool, the window corresponds to a modulation wheel, and the modulation wheel corresponds to an infrared light source.

Preferably, the output end of the xenon lamp light source module is connected with the input end of the optical fiber collimator through optical fibers, and the input end of the spectrometer module is connected with the output end of the optical fiber focalizer through optical fibers.

Preferably, the size of the second concave mirror and the size of the third concave mirror are smaller than the size of the first concave mirror, and the size of the fifth concave mirror and the size of the sixth concave mirror are smaller than the size of the fourth concave mirror.

Preferably, the infrared light source and the first corner reflector correspond to each other, and the second corner reflector and the infrared detector correspond to each other.

Preferably, said H₂S、NH₃And a gas cell heating sheet is fixedly arranged in the gas detection sensor.

Preferably, the xenon lamp light source module comprises a shell, xenon lamp light is fixedly installed in the shell, and a light source driving plate is fixedly installed in the shell.

Preferably, the spectrometer module includes the heat preservation box, the inside fixed mounting of heat preservation box has the spectrometer heating plate, the inside fixed mounting of heat preservation box has the spectrometer.

Preferably, the central control CPU module is electrically connected to the cross interference algorithm processor, and the spectrometer and the infrared detector are both electrically connected to the cross interference algorithm processor.

The utility model has the beneficial effects that:

in the present invention, through CH₄The gas detection sensor adopts an infrared gas correlation filtering method and H₂S、NH₃The gas detection sensor adopts a method of combining ultraviolet spectrum absorption methods to respectively detect CH₄、NH₃、H₂Accurate detection of S gas, combined with model calculation, realizes SO₂Cross interference in detection is effectively compensated, so that CH in smoke is eliminated₄、NH₃、H₂S gas to SO₂The test can generate different degrees of interference, and the SO in the complex smoke of the fixed pollution source can be greatly improved₂And (4) testing accuracy.

Drawings

FIG. 1 shows an integrated SO according to the present invention₂CH of cross interference compensation device₄The structure of the gas detection sensor is schematic.

FIG. 2 is an integrated SO according to the present invention₂H of cross interference compensation device₂S、 NH₃The structure of the gas detection sensor is schematic.

FIG. 3 is an integrated SO according to the present invention₂The structure schematic diagram of the xenon lamp light source module of the cross interference compensation device.

FIG. 4 is an integrated SO system of the present invention₂The cross interference compensation device is a structural schematic diagram of a spectrometer module.

FIG. 5 is an integrated SO according to the present invention₂CH of cross interference compensation device₄Gas detection sensor, H₂S、NH₃The system comprises a gas detection sensor, a Central Processing Unit (CPU) module, a cross interference algorithm processor and a connection relation flow chart.

FIG. 6 is an integrated SO according to the present invention₂A software flow diagram of a cross-interference compensation apparatus.

Reference numbers in the figures: 1. CH (CH)₄A gas detection sensor; 101. a first gas pool; 102. a stepping motor; 103. a modulation wheel; 104. an infrared light source; 105. a window piece; 106. a first corner mirror; 107. a second corner mirror; 108. a first concave mirror; 109. a second concave mirror; 110. a third concave mirror; 111. a first air inlet; 112. a first exhaust port; 113. an infrared detector; 2. h₂S、NH₃A gas detection sensor; 201. a second gas cell; 202. a xenon lamp light source module; 20201. a housing; 20202. a light source driving board; 20203. xenon light; 203. An optical fiber; 204. a fiber collimator; 205. an optical fiber focuser; 206. a second air inlet; 207. A second exhaust port; 208. a fourth concave mirror; 209. a fifth concave mirror; 210. a sixth concave mirror; 211. a gas cell heater plate; 212. a spectrometer module; 21201. a heat preservation box; 21202, a spectrometer; 21203. a spectrometer heating plate; 3. a central control CPU module; 4. and a cross interference algorithm processor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

The first embodiment is as follows:

as shown in figures 1 to 4:

integrated SO₂The cross interference compensation device comprises CH₄ Gas detection sensor 1, H₂S、NH₃ Gas detection sensor 2, CH₄The gas detection sensor 1 comprises a first gas pool 101, the outer surface of the first gas pool 101 is provided with a stepping motor 102, the output end of the stepping motor 102 is fixedly connected with an output shaft, the other end of the output shaft of the stepping motor 102 is fixedly connected with a modulation wheel 103, the outer surface of the first gas pool 101 is provided with an infrared light source 104, one side inner wall of the first gas pool 101 is fixedly provided with a second concave mirror 109, a third concave mirror 110, the other side inner wall of the first gas pool 101 is fixedly provided with a first concave mirror 108, the input end of the first gas pool 101 is fixedly connected with a first gas inlet 111, the output end of the first gas pool 101 is fixedly connected with a first gas outlet 112, and CH₄An infrared detector 113 is arranged outside the gas detection sensor 1;

H₂S、NH₃ gas detection sensor 2 includes second gas cell 201, the surface of second gas cell 201 is provided with xenon lamp light source module 202, spectrum appearance module 212, one side fixed mounting of second gas cell 201 has optical collimator 204, optical fiber focuser 205, xenon lamp light source module 202's output fixedly connected with optic fibre 203, one side inner wall fixed mounting of second gas cell 201 has fourth concave mirror 208, the opposite side inner wall fixed mounting of second gas cell 201 has fifth concave mirror 209, sixth concave mirror 210, the input end fixed connection of second gas cell 201 has second air inlet 206, the output end fixed connection of second gas cell 201 has second gas vent 207, H is gas cell 201₂S、NH₃And a central control CPU module 3 and a cross interference algorithm processor 4 are arranged outside the gas detection sensor 2.

Wherein:

CH₄a window 105 is fixedly installed on the outer wall of the gas detection sensor 1, the window 105 corresponds to the modulation wheel 103, the modulation wheel 103 corresponds to the infrared light source 104, and light emitted by the infrared light source 104 enters the first gas cell 101 through the modulation wheel 103 and the window 105.

The output end of the xenon lamp light source module 202 is connected with the input end of the optical fiber collimator 204 through the optical fiber 203, and the input end of the spectrometer module 212 is connected with the output end of the optical fiber focalizer 205 through the optical fiber 203.

The sizes of the second concave mirror 109 and the third concave mirror 110 are smaller than the size of the first concave mirror 108, and the sizes of the fifth concave mirror 209 and the sixth concave mirror 210 are smaller than the size of the fourth concave mirror 208.

The infrared light source 104 corresponds to the first corner reflector 106, the second corner reflector 107 corresponds to the infrared detector 113, light emitted by the infrared light source 104 is refracted by the first corner reflector 106, light in the first gas pool 101 is refracted to the outside of the first gas pool 101 by the second corner reflector 107, and the light is received by the infrared detector 113.

Wherein:

H₂S、NH₃the gas detection sensor 2 is fixedly provided with a gas cell heater chip 211 inside, the temperature in the second gas cell 201 is increased by the gas cell heater chip 211, and NH is avoided by the high-temperature gas circuit₃The accuracy of detection is promoted in the condensation adsorption in the second gas pool 201, the ultraviolet high-temperature gas detection device is completed, and H is realized₂S and NH₃And (4) measuring gas.

The xenon lamp light source module 202 comprises a shell 20201, xenon lamp light 20203 is fixedly installed inside the shell 20201, a light source driving board 20202 is fixedly installed inside the shell 20201, and the xenon lamp light 20203 is provided with a power supply and the modulation of light source frequency by the light source driving board 20202.

The spectrometer module 212 comprises a heat preservation box 21201, a spectrometer heating plate 21203 is fixedly installed inside the heat preservation box 21201, a spectrometer 21202 and a spectrometer heating plate 21203 are fixedly installed inside the heat preservation box 21201 and are used for heating the spectrometer 2120, so that the temperature inside the heat preservation box 21201 is kept at a constant temperature state, the detection accuracy of the spectrometer heating plate 21203 is improved, and the heat preservation box 21201 is made of aluminum materials.

The central control CPU module 3 is electrically connected to the cross interference algorithm processor 4, and the spectrometer 21202 and the infrared detector 113 are both electrically connected to the cross interference algorithm processor 4 through the cross interference algorithm processor 4.

The second embodiment:

an independent infrared gas related filtering method and an ultraviolet spectrum absorption method are combined to complete a set of device to realize CH₄、NH₃And H₂Accurate detection of S gas, and realization of SO by mathematical model₂Compensation of cross interference in testing to promote SO in stationary pollution sources₂Accurate detection of.

And (3) cross interference compensation algorithm:

1. the target gas mainly absorbs the wavelength lambda 1, the interference gas mainly absorbs the wavelength lambda 2, and the interference gas is slightly absorbed at the position lambda 1; target gas at lambda 2 is not absorbed, so that the target gas does not generate cross interference on interference gas; the interference gas at lambda 1 is absorbed, so that the interference gas can generate cross interference on the target gas.

2. The premise hypothesis is that:

(1) the target gas concentration is zero and as the interfering gas concentration increases, the target gas sensor reading also increases.

(2) When the concentration of the interference gas is fixed, the larger the concentration of the target gas is, the smaller the reading error of the target gas sensor is.

(3) The interfering gas concentration is timed, and the target gas concentration and the reading of the sensor thereof are in a linear relationship.

3. Design full test and obtain standard table one

The first standard table indicates that a symbol x (wherein i is 0,1,2.. n) represents an actual concentration value of a target gas in an introduced mixed gas, and a symbol y (wherein j is 0,1,2.. n.) represents an actual concentration value of an interference gas in the introduced mixed gas₀Row and y₀The corresponding sample concentration combination is that the concentration of the target gas in the mixed gas is x₀Concentration of interfering gas y₀The gas corresponding to the first cell is generally set as the inlet gas, Std _ x₀y₀This indicates that the value read at the target sensor at that time, and so on.

In practice, according to the (3) th assumption of the preconditions, the target gas has a constant interfering gas concentrationThe concentration is in linear relation with the reading of the sensor, and only the test x is needed₀And x_nThe data of the corresponding column can be interpolated by linear fitting to obtain the data of other columns. For example, fitting (x)₀，Std_x₀y₀) And (x)_n，Std_x_ny₀) Obtaining the linear company y as kx + b, and interpolating the point x₁，x₂，...，x_n-1Respectively substituting into the standard table to obtain y₀All values in this row, and the data in the other rows are analogized.

Table 1: standard watch 1

4. Calibration of standard tables

Calibration table description:

x₀y₀indicating that the target gas sensor reads the value when zero gas is introduced.

x₀y_nAnd when mileage concentration pure interference gas is introduced, the target gas sensor reads a numerical value.

x_ny₀Indicating that the target gas sensor reads the value when the pure target gas with the child range concentration is introduced.

x_ny_nAnd when the target gas with the measuring range concentration and the disturbance gas with the child range concentration are introduced, the target gas sensor reads the value.

Table 2: calibration gauge

5. Acquisition of Standard Table two

(1)△₁＝x₀y₀-Std_x₀y₀

k₁＝(x₀y_n+△₁)/Std_x₀y_n

Will standard table x₀Columns are respectively connected with k₁Multiplying together to obtainX to new table₀And (4) columns.

(2)△₂＝x_ny₀-Std_x_ny₀

k₂＝(x_ny_n+△₂)/Std_x_ny_n

Will standard table x_nColumns are respectively connected with k_nMultiplying to obtain x of the new table_nAnd (4) columns.

(3) According to the assumption in the item (3), when the concentration of the interfering gas is constant, the concentration of the target gas and the reading of the sensor thereof present a linear relationship, and the data of other columns are obtained through linear fitting interpolation. For example, fitting (x)₀，K₁×Std_x₀y₀) And (x)_n，K₂×Std_x_ny₀) Obtaining the linear company y as kx + b, and interpolating the point x₁，x₂，...，x_n-1Respectively substituting into the standard table to obtain y₀All values in this row, and the data in the other rows are analogized.

Table 3: standard watch 2

6. Calculating the concentration value of the target gas after deducting the interference gas

Table 4: standard table III

Wherein the gas sensor reading c is disturbed_yTarget gas sensor reading c_x。

Fitting (y)_a，Std_x₀y_a) And (y)_a+1，Std_x₀y_a+1) Get y₀＝k₀x+b₀Substituted into c_yTo obtain x₀Interpolated concentration c of the column₀。

Fitting (y)_a，Std_x_ny_a) And (y)_a+1，Std_x_ny_a+1) Get y_n＝k_nx+b_nSubstituted into C_yTo obtain x_nInterpolated concentration c of the column_n。

Fitting (x)₀，c₀) And (x)_n，c_n) Get y as kx + b, substitute c_xCalculating to obtain a concentration value kc after interference is deducted_x+b。

Example three:

1. calibration experiment:

firstly, introducing CH with a calibrated concentration₄Gas is measured, after multi-point calibration experiment, software can arrange and analyze multi-point calibration data to obtain CH₄To SO₂A cross interference model.

Secondly, NH with a calibrated concentration is introduced₃The gas was also subjected to the first step of the experiment to obtain NH₃To SO₂A cross interference model.

Thirdly, introducing H with a calibrated concentration₂S gas is also subjected to the first step of experiment to finally obtain H₂S to SO₂A cross interference model.

The experimental equipment generates a CH after completing calibration₄、NH₃、H₂S to SO₂A cross interference model.

2. Target gas measurement

Firstly, mixed target gas with unknown concentration is introduced for measurement. Through SO₂The analyzer measures the current interfered SO₂Is sent to a cross interference algorithm processor 4 in the device through a communication port, and the device simultaneously carries out the treatment on CH in the mixed gas with unknown concentration₄、 NH₃、H₂The concentration of S was measured separately.

The obtained SO₂、CH₄、NH₃、H₂Bringing the measured concentration value of S into CH output by calibration experiment₄、NH₃、H₂S to SO₂Performing cross interference iteration in the cross interference model, and finally outputting a real SO₂Concentration values.

Example four:

the specific use mode and function of the first embodiment are as follows:

it is worth mentioning that SO₂The analyzer is GT-2000 (SO)₂) The supporting circuit can be provided by the manufacturer, besides, the SO related to the utility model₂Analyzers are prior art and are fully within the reach of those skilled in the art, and it is not necessary to state that the utility model is not directed to SO₂The improvement of the internal structure and the working principle of the analyzer.

When used in the present invention, CH₄ Gas detection sensor 1 and SO₂The analyzers are all low-temperature gas circuits connected in series with gas circuits H₂S、NH₃The gas detection sensor is a high-temperature gas circuit H₂S、NH₃Gas detection sensor and CH₄ Gas detection sensor 1 and SO₂The gas paths of the analyzers are connected in parallel;

when SO₂、CH₄、NH₃、H₂Introducing SO into the S mixed gas₂The analyzer performs the test to obtain SO₂Sensor pair SO₂Indicating value data of the gas is input into a cross interference algorithm processor 4;

then SO₂、CH₄、NH₃、H₂S mixed gas enters the first gas pool 101 through the first gas inlet 111 and is discharged through the first gas outlet 112, so that the gas discharging work can be smoothly carried out, the stepping motor 102 is started, the stepping motor 102 drives the modulation wheel 103 to rotate, a measurement signal and a reference signal of gas to be measured are modulated through the modulation wheel 103, the infrared light source 104 is started, the infrared light source 104 emits an infrared light source, light rays enter the first gas pool 101 through the window piece 105, and then the mixed gas is discharged through the first gas outlet 112The light is refracted through the first corner reflector 106, reflected for multiple times through the first concave mirror 108, the second concave mirror 109 and the third concave mirror 110, finally irradiated to the outside of the first gas pool 101 through the second corner reflector 107, received by an infrared detector 113 outside the first gas pool 101, detected by the infrared detector 113, a measurement signal and a reference signal are detected through the infrared detector 113, and the acquired data are transmitted to the cross interference algorithm processor 4;

please refer to fig. 1 for the above structure and process.

With SO₂、CH₄、NH₃、H₂S mixed gas enters the second gas cell 201 through the second gas inlet 206 and is exhausted through the second gas outlet 207, so that the exhaust work can be smoothly carried out, the gas cell heating sheet 211 heats the gas introduced into the second gas cell 201 to high temperature, the high-temperature gas circuit is utilized to avoid condensation adsorption of NH3 in the second gas cell 201 to improve the detection accuracy, the light source driving board 20202 provides power supply and modulation of light source frequency for the xenon lamp 20203, the light source driving board 20202 drives the xenon lamp 20203, ultraviolet light emitted from the xenon lamp 20203 is emitted into the second gas cell 201 through the optical fiber 203 and the optical fiber collimator 204, the ultraviolet light is emitted into the spectrometer module 212 through the optical fiber 203 after being reflected for multiple times by the fifth concave mirror 209, the sixth concave mirror 210 and the fourth concave mirror 208 and then is introduced into the spectrometer module 212 through the optical fiber 205, and the spectrometer heating sheet 21203 heats the spectrometer 2120, so that the temperature in the thermal insulation box 21201 is ensured to be in a constant temperature state, to improve the accuracy of the detection of the spectrometer heating plate 21203, data is collected by the spectrometer 21202 and transmitted to the cross interference algorithm processor 4;

the above structure and process are shown in FIGS. 2-4.

Communicating the 3 groups of data to a cross interference algorithm processor 4, calculating by using the established mathematical model, transmitting to a data storage 6, and outputting to obtain a corrected SO₂The gas concentration.

Please refer to fig. 5 for the above structure and process.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (9)

1. Integrated SO₂The cross interference compensation device comprises CH₄Gas detection sensor (1), H₂S、NH₃A gas detection sensor (2), characterized in that the CH₄The gas detection sensor (1) comprises a first gas pool (101), a stepping motor (102) is arranged on the outer surface of the first gas pool (101), an output shaft is fixedly connected with the output end of the stepping motor (102), a modulation wheel (103) is fixedly connected with the other end of the output shaft of the stepping motor (102), an infrared light source (104) is arranged on the outer surface of the first gas pool (101), and the first gas pool(101) One side inner wall fixed mounting have second concave mirror (109), third concave mirror (110), the opposite side inner wall fixed mounting of first gas pool (101) has first concave mirror (108), the first air inlet of input fixedly connected with (111) of first gas pool (101), the first exhaust port of output fixedly connected with (112) of first gas pool (101), CH₄An infrared detector (113) is arranged outside the gas detection sensor (1);

said H₂S、NH₃The gas detection sensor (2) comprises a second gas cell (201), the outer surface of the second gas cell (201) is provided with a xenon lamp light source module (202) and a spectrometer module (212), one side of the second gas cell (201) is fixedly provided with an optical fiber collimator (204) and an optical fiber focalizer (205), the output end of the xenon lamp light source module (202) is fixedly connected with an optical fiber (203), the inner wall of one side of the second gas cell (201) is fixedly provided with a fourth concave mirror (208), the inner wall of the other side of the second gas cell (201) is fixedly provided with a fifth concave mirror (209) and a sixth concave mirror (210), the input end of the second gas cell (201) is fixedly connected with a second gas inlet (206), the output end of the second gas cell (201) is fixedly connected with a second gas outlet (207), and the H is₂S、NH₃And a central control CPU module (3) and a cross interference algorithm processor (4) are arranged outside the gas detection sensor (2).

2. An integrated SO according to claim 1₂The cross interference compensation device is characterized in that a window (105) is fixedly installed on the outer wall of the first gas pool (101), the window (105) corresponds to the modulation wheel (103), and the modulation wheel (103) corresponds to the infrared light source (104).

3. An integrated SO according to claim 1₂The cross interference compensation device is characterized in that the output end of the xenon lamp light source module (202) is connected with the input end of the optical fiber collimator (204) through an optical fiber (203), and the input end of the spectrometer module (212) is connected with the output end of the optical fiber focuser (205) through the optical fiber (203).

4. An integrated SO as claimed in claim 1₂The cross interference compensation device is characterized in that the sizes of the second concave mirror (109) and the third concave mirror (110) are smaller than the size of the first concave mirror (108), and the sizes of the fifth concave mirror (209) and the sixth concave mirror (210) are smaller than the size of the fourth concave mirror (208).

5. An integrated SO according to claim 1₂The cross interference compensation device is characterized in that the infrared light source (104) corresponds to the first corner reflector (106) and the second corner reflector (107) corresponds to the infrared detector (113).

6. An integrated SO according to claim 1₂The cross interference compensation device is characterized in that the H is₂S、NH₃A gas cell heating sheet (211) is fixedly arranged in the gas detection sensor (2).

7. An integrated SO according to claim 1₂The cross interference compensation device is characterized in that the xenon lamp light source module (202) comprises a shell (20201), xenon lamp light (20203) is fixedly installed inside the shell (20201), and a light source driving board (20202) is fixedly installed inside the shell (20201).

8. An integrated SO as claimed in claim 1₂The cross interference compensation device is characterized in that the spectrometer module (212) comprises a heat preservation box (21201), a spectrometer heating sheet (21203) is fixedly installed inside the heat preservation box (21201), and a spectrometer (212002) is fixedly installed inside the heat preservation box (212001).

9. An integrated SO according to claim 8₂The cross interference compensation device is characterized in that the central control CPU module (3) is electrically connected with the cross interference algorithm processor (4), and the spectrometer (21202) and the infrared detector (113)Are all electrically connected with the cross interference algorithm processor (4).

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