Efficient component detection method and system for gas release device

Abstract

The invention relates to the related technical field of gas detection and analysis, in particular to an efficient component detection method and system for a gas release device.The method comprises the steps that the chromatographic column heating gradient and mass spectrum scanning parameters are configured; setting a sampling correlation control matrix; the method comprises the following steps: determining gas components and concentration of each component, mapping and correlating to generate a gas component distribution map, and generating a component detection report by combining performance indexes of the gas release device with a safe concentration threshold and a component proportion threshold. The technical problems that the fixed sampling flow and time interval cannot adapt to the gas concentration difference of different positions of the gas release device, gas component distribution is difficult to accurately reflect, and the safety management and control requirement cannot be met are solved, the flow of different sampling positions is dynamically adjusted, the sampling positions are dynamically switched in combination with the stepping motor, and the safety of the gas release device is improved. The method has the technical effects of accurately capturing the gas component difference of each key part of the device, and ensuring the safety and stability of the operation of the gas release device in combination with a gas component distribution map.

Description

Technical Field

[0001] The present invention relates to the technical field related to gas detection and analysis, and in particular to a method and system for efficiently detecting components of a gas release device. Background Art

[0002] Gas release devices are widely used in chemical production, energy supply, environmental protection and other fields. The composition and concentration of the released gas are directly related to production safety, equipment operating efficiency and environmental risks. With the increasing requirements for gas purity and safety in industrial processes, rapid and accurate detection of the composition of gas release devices has become a key link to ensure the stable operation of the system. The current composition detection of gas release devices uses fixed sampling flow and time intervals, which is difficult to adapt to the differences in gas concentration at different locations, resulting in data redundancy in high-concentration areas and missing information in low-concentration areas. In addition, the qualitative and quantitative accuracy of the mixed gas composition is low, which makes it difficult to meet real-time monitoring needs.

[0003] In summary, the existing technology has technical problems such as fixed sampling flow rate and time interval cannot adapt to the differences in gas concentration at different positions of the gas release device, it is difficult to accurately reflect the distribution of gas components, and it cannot meet the safety control requirements. Summary of the Invention

[0004] This application provides an efficient component detection method and system for a gas release device, aiming to solve the technical problems in the existing technology that the fixed sampling flow rate and time interval cannot adapt to the gas concentration differences at different positions of the gas release device, it is difficult to accurately reflect the gas component distribution, and it cannot meet the safety control requirements.

[0005] In view of the above problems, the technical solution to implement this application is: In a first aspect, the present application provides an efficient component detection method for a gas release device, wherein the method comprises: collecting gas samples according to a sampling channel connected to the gas release device and introducing them into a gas chromatograph-mass spectrometer, configuring a chromatographic column temperature gradient and mass spectrometer scanning parameters; adjusting the sampling flow rate of each sampling position corresponding to the sampling channel according to a flow controller, synchronously recording the sampling time, position and ambient pressure parameters, and setting a sampling correlation control matrix in combination with the chromatographic column temperature gradient and mass spectrometer scanning parameters; determining the gas composition and the concentration of each component through the corresponding quantitative and qualitative unit quantity of the gas chromatograph-mass spectrometer; mapping and associating the gas composition and the concentration of each component with the corresponding sampling correlation control matrix to generate a gas composition distribution map, and generating a component detection report in combination with the performance indicators of the gas release device and the safety concentration threshold and the component ratio threshold.

[0006] Preferably, each sampling position corresponding to the sampling channel corresponds to at least the air inlet, the middle section and the air outlet of the gas release device; a stepper motor is used to drive the sampling probe to switch between the various sampling positions at dynamic time intervals.

[0007] Preferably, the dynamic time interval is adaptively adjusted based on the gas concentration gradient between the current sampling position and the adjacent sampling position: when the gas concentration gradient exceeds the relative concentration change amplitude threshold, the sampling interval is shortened to M times the basic time interval; when the gas concentration gradient is lower than the relative concentration change amplitude threshold, the sampling interval is shortened to N times the basic time interval, where M<1, N>1; the nitrogen purge mechanism is started during the switching process of each sampling position, and the stepper motor adopts closed-loop servo control.

[0008] Preferably, the characteristic absorption peak intensity and characteristic absorption peak wavenumber of the gas sample are uploaded; after the reference axis is aligned with the characteristic absorption peak intensity and characteristic absorption peak wavenumber of the gas sample, the retention time, characteristic ion abundance ratio and absorption peak area of ​​the infrared spectrum corresponding to the gas chromatography-mass spectrometry instrument are data fused to configure the combined quantitative and qualitative unit quantities.

[0009] Preferably, the standard infrared spectrum library of common gas components is used as a benchmark, and the characteristic absorption peak intensity and characteristic absorption peak wavenumber of the gas sample are compared to determine the actual wavenumber deviation value; after performing reference axis alignment based on the actual wavenumber deviation value, the absorption peak matching degree is determined; if the absorption peak matching degree meets the matching degree standard, the reference axis alignment operation is deemed valid.

[0010] Preferably, each gas in the standard infrared spectrum library contains at least 3 standard wavenumbers of characteristic absorption peaks, and each standard wavenumber is accompanied by an allowable deviation range and an intensity reference value; when the characteristic absorption peak wavenumber of the gas sample falls within the allowable deviation range attached to the standard wavenumber, and the relative error between the characteristic absorption peak intensity of the gas sample and the intensity reference value attached to the standard wavenumber does not exceed a preset error threshold, it is determined to be a valid matching peak.

[0011] Preferably, the relative content ratio of the mixed gas components is determined by comparing the characteristic absorption peak intensity ratio with the theoretical characteristic absorption peak intensity ratio of the mixed components in the standard infrared spectrum library; according to the gas flow demand, the sampling flow of each sampling position is dynamically allocated according to the flow controller, so that the product of the sampling flow of each sampling position and the corresponding gas concentration is maintained within the linear response range of the gas chromatography-mass spectrometry instrument.

[0012] Preferably, the flow controller adopts a dual-channel control mode, wherein the main channel is responsible for the sampling flow distribution between the air inlet and the air outlet, and the secondary channel is used to compensate for pipeline losses; at the same time, according to the gas concentration fluctuations at the sampling position in the middle section, the main channel dynamically adjusts the flow ratio of the air inlet and the air outlet.

[0013] Preferably, for a single gas component, if at least two of the three characteristic absorption peaks achieve a valid match, a secondary verification is triggered: the retention time window of the gas chromatograph-mass spectrometer and the mass spectrum characteristic ion abundance ratio are called for cross-checking.

[0014] In a second aspect, the present application provides an efficient component detection system for a gas release device, wherein the system includes: a configuration module: according to a sampling channel connected to the gas release device, collecting gas samples and introducing them into a gas chromatograph-mass spectrometer, configuring the chromatographic column temperature gradient and mass spectrometer scanning parameters; a matrix setting module: adjusting the sampling flow of each sampling position corresponding to the sampling channel according to the flow controller, synchronously recording the sampling time, position and ambient pressure parameters, and setting the sampling association control matrix in combination with the chromatographic column temperature gradient and mass spectrometer scanning parameters; a concentration determination module: determining the gas composition and the concentration of each component through the combined quantitative and qualitative unit quantity corresponding to the gas chromatograph-mass spectrometer; a mapping association module: mapping and associating the gas composition and the concentration of each component with the corresponding sampling association control matrix to generate a gas component distribution map, and generating a component detection report in combination with the performance indicators of the gas release device and the safety concentration threshold and the component ratio threshold.

[0015] In summary, one or more technical solutions provided in this application realize the precise capture of gas composition differences in key parts of the device by dynamically adjusting the flow rate at different sampling positions and dynamically switching the sampling positions in combination with a stepper motor, while reducing cross-contamination through nitrogen purging and closed-loop control. By constructing a sampling correlation control matrix and combining it with a gas composition distribution map, the spatiotemporal distribution characteristics of the gas composition are intuitively presented, and the linearity of the detection response is ensured through dynamic flow distribution, thereby improving quantitative accuracy and ensuring the safety and stability of the operation of the gas release device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A flow chart of a method for efficiently detecting the components of a gas release device is provided for this application.

[0017] Figure 2 A schematic structural diagram of a highly efficient component detection system for a gas release device is provided for this application.

[0018] Description of reference numerals: configuration module M100, matrix setting module M200, concentration determination module M300, mapping association module M400. DETAILED DESCRIPTION

[0019] Example 1: The present application will be described in detail below with reference to the accompanying drawings. Figure 1 As shown, the present application provides a method for efficiently detecting components of a gas release device, wherein the method comprises: S1: According to the sampling channel connected to the gas release device, the gas sample is collected and introduced into the gas chromatography-mass spectrometer, and the chromatographic column temperature gradient and mass spectrometry scanning parameters are configured; S2: The sampling flow rate of each sampling position corresponding to the sampling channel is adjusted according to the flow controller, and the sampling time, position and ambient pressure parameters are synchronously recorded. In combination with the chromatographic column temperature gradient and mass spectrometry scanning parameters, a sampling correlation control matrix is ​​set.

[0020] Specifically, the sampling channel refers to the piping system connecting the gas release device to the detection instrument (such as a gas chromatograph-mass spectrometer), which is used to guide the gas sample from the device to the detection instrument. The sampling flow rate refers to the volume of gas passing through the sampling channel per unit time, which directly affects the representativeness of the gas sample and the response speed of the detection instrument. The sampling association control matrix is ​​a data structure used to store and associate various parameters of the sampling process (such as sampling time, location, flow rate, ambient pressure, etc.) and the setting parameters of the detection instrument (such as chromatographic column temperature gradient, mass spectrometer scanning parameters, etc.), so that the test results can be accurately traced and interpreted in subsequent analysis.

[0021] Execution steps: Collect gas samples through a sampling channel connected to the device. The sampling channel needs to ensure that the gas sample can be extracted from the device without loss and minimize interference with the external environment during transmission. The gas release device contains a variety of complex gas components. Through a reasonably designed sampling channel, it can be ensured that gas samples from the air inlet, the middle section to the air outlet can be accurately collected; the sampling flow rate is adjusted through a flow controller, which can dynamically adjust the sampling flow rate according to the difference in gas concentration at different sampling positions. For example, when a high gas concentration is detected at the air inlet, the flow controller can appropriately increase the sampling flow rate at that position to obtain a more representative sample; in low-concentration areas, the sampling flow rate can be appropriately reduced to avoid data redundancy.

[0022] The purpose of synchronously recording the sampling time, location and ambient pressure parameters is to ensure the traceability of the sampling process and the accuracy of the data. These parameters are crucial for the subsequent analysis of the spatiotemporal distribution characteristics of the gas components. Changes in ambient pressure will affect the diffusion rate and concentration distribution of the gas. By recording these parameters, corresponding corrections and compensations can be made during analysis. The sampling correlation control matrix is ​​set in combination with the chromatographic column temperature gradient and mass spectrometry scanning parameters to closely link the sampling process with the settings of the detection instrument.

[0023] The chromatographic column temperature gradient and mass spectrometry scanning parameters directly affect the detection instrument's separation and detection effects on gas components. It should be noted that different gas components require different temperature gradients to achieve the best separation effect, and the mass spectrometry scanning parameters determine the sensitivity and resolution of the detection instrument for scanning ions in a specific mass range. By constructing a sampling correlation control matrix, the various parameters in the sampling process are associated with the setting parameters of the detection instrument, so that the detection results can be accurately traced and interpreted in subsequent analysis, and accurate analysis and monitoring of the gas component distribution can be achieved.

[0024] By constructing a sampling association control matrix, various parameters in the sampling process are associated with the setting parameters of the detection instrument. Furthermore, the row dimension of the sampling association control matrix is ​​the sampling positions including the air inlet, the middle section and the air outlet, and the column dimension is the detection parameters including the chromatographic column temperature, the mass spectrometer scanning speed, and the sampling flow rate; the matrix elements of the sampling association control matrix are the parameter synergy coefficients (0-1). For example, the synergy coefficient between the middle section and the medium-temperature chromatographic conditions (80℃-150℃) is set to 0.85; when the ambient humidity is greater than 60%RH, the sampling association control matrix automatically activates the dehumidification compensation coefficient (reducing the sampling flow rate at the corresponding position by 15%) to protect the detection equipment.

[0025] S3: Determine the gas composition and the concentration of each component through the combined quantitative and qualitative units corresponding to the gas chromatography-mass spectrometry instrument; S4: Map and associate the gas composition and the concentration of each component with the corresponding sampling association control matrix to generate a gas composition distribution map, and generate a composition detection report by combining the performance indicators of the gas release device with the safety concentration threshold and the component ratio threshold.

[0026] Specifically, the combined quantitative and qualitative units corresponding to a gas chromatography-mass spectrometer refer to the combined ability to perform qualitative and quantitative analysis of gas samples through the detection system of a gas chromatography-mass spectrometer (GC-MS), utilizing the synergistic effect of chromatographic separation and mass spectrometric detection. Qualitative analysis determines gas composition by matching mass spectrometry patterns to a standard database, while quantitative analysis determines the concentration of each component by comparing chromatographic peak area or height with a standard curve of known concentrations. A gas composition distribution map is a visualization tool used to display the distribution of gas components at different sampling locations, times, and environmental conditions. It maps and correlates data in the sampling correlation control matrix with test results to intuitively present the spatiotemporal distribution characteristics of gas components. A composition test report is an analytical report generated based on the gas composition distribution map and the performance indicators, safety concentration thresholds, and component ratio thresholds of the gas release device. It is used to evaluate the operating status and safety of the gas release device.

[0027] Implementation steps: Through the combined quantitative and qualitative measurement of gas chromatography-mass spectrometry (GC-MS), the collected gas samples can be accurately analyzed for their components. For mixed gas samples, GC-MS can separate gases of different components and accurately identify each gas component by matching the mass spectrum with a standard database. At the same time, by comparing the chromatographic peak area or height with a standard curve of known concentration, the concentration of each component can be accurately measured, providing a solid data foundation for subsequent analysis.

[0028] The gas composition and the concentration of each component are mapped and associated with the sampling association control matrix to generate a gas composition distribution map. The sampling association control matrix records various parameters in the sampling process, such as sampling time, position, flow rate, ambient pressure, etc., as well as the setting parameters of the detection instrument, such as the chromatographic column temperature gradient, mass spectrometry scanning parameters, etc.; by mapping the detection results with these parameters, a gas composition distribution map can be generated. The gas composition distribution map not only shows the distribution of gas components at different positions, but also reflects its changing trend with time and environmental conditions. Preferably, the gas composition distribution map can clearly show the changes in gas composition from the air inlet to the air outlet, as well as the fluctuations in gas concentration at different production stages.

[0029] The gas composition and the concentration of each component are mapped and associated with the corresponding sampling association control matrix to generate a gas composition distribution map. Furthermore, the gas composition distribution map adopts three-dimensional visualization: the X-axis is the sampling position (mm), the Y-axis is the detection time (s), and the Z-axis is the concentration (mg / m³); the exceeding area (concentration > safe concentration threshold) is dynamically flashed and marked, and the gas composition distribution map slice analysis is supported. The concentration gradient curve of any cross section can be extracted to ensure the accuracy of the gradient error is controllable.

[0030] A composition detection report is generated by combining the performance indicators, safety concentration thresholds and component ratio thresholds of the gas release device. The performance indicators of the gas release device reflect the parameter range of its normal operation, while the safety concentration threshold and component ratio threshold are important indicators for ensuring production safety and environmental safety. By comparing and analyzing the data in the gas composition distribution map with these indicators, a detailed composition detection report can be generated. The composition detection report can not only provide detailed information on the gas composition, but also evaluate whether the operating status of the gas release device is normal, whether there are safety hazards, and whether adjustments are needed, thereby ensuring the safe operation of the gas release device and the stability of the production process.

[0031] Furthermore, the present application method includes: The sampling positions corresponding to the sampling channels correspond to at least the air inlet, the middle section and the air outlet of the gas release device; a stepping motor is used to drive the sampling probe to switch between the sampling positions at dynamic time intervals.

[0032] Specifically, the sampling position refers to the specific location in the gas release device where the sampling probe can reach and collect gas samples. These locations usually include the gas inlet, middle section, and gas outlet of the gas release device, as these locations can reflect the flow process and composition changes of the gas within the device. The gas inlet is the initial position where the gas enters the device, the middle section is the area where the gas reacts or changes within the device, and the gas outlet is the location where the gas leaves the device; the stepper motor is a motor that converts electrical pulse signals into mechanical angular displacement to achieve precise control and positioning, and is used to drive the sampling probe to switch between different sampling positions; the dynamic time interval means that the time interval for the sampling probe to switch between different sampling positions is not fixed, but is dynamically adjusted according to changes in gas concentration or other parameters.

[0033] Execution steps: The sampling positions corresponding to the sampling channel include at least the air inlet, middle section and air outlet of the gas release device. This layout can fully cover the flow path of the gas in the device, thereby more accurately reflecting the changes in gas composition. Among them, the sampling of the air inlet can detect the initial composition of the gas when it enters the device, the sampling of the middle section can monitor the composition changes of the gas after chemical reactions or physical changes in the device, and the sampling of the air outlet can evaluate the final composition of the gas when it leaves the device. This all-round sampling layout can provide more comprehensive data support for the temporal and spatial distribution analysis of gas components.

[0034] A stepper motor is used to drive the sampling probe, switching between sampling positions at dynamic time intervals. The high-precision control capability of the stepper motor enables the sampling probe to switch quickly and accurately between different sampling positions. The dynamic time interval setting further enhances the flexibility and adaptability of sampling. For example, when rapid changes in gas concentration are detected at the inlet, the sampling interval can be shortened and the sampling frequency increased to capture concentration changes more promptly. In the middle section or at the outlet, where the gas composition is relatively stable, the sampling interval can be appropriately extended to reduce data redundancy. In this way, not only can the sampling efficiency be improved, but the collected gas samples can also be more representative.

[0035] In addition, the closed-loop servo control of the stepper motor can further improve the stability and reliability of the sampling process. Preferably, during the switching of the sampling probe, the closed-loop control can monitor and adjust the operating status of the motor in real time to ensure that the sampling probe reaches the predetermined position accurately, avoiding sampling deviations caused by mechanical errors or external interference. The dynamic sampling method combined with the high-precision control of the stepper motor can significantly improve the efficiency and accuracy of gas composition detection, providing more reliable technical support for the safe operation and performance optimization of the gas release device.

[0036] Furthermore, the switching operation is performed between the various sampling positions at dynamic time intervals. The method of the present application includes: The dynamic time interval is adaptively adjusted based on the gas concentration gradient between the current sampling position and the adjacent sampling position: when the gas concentration gradient exceeds the relative concentration change amplitude threshold, the sampling interval is shortened to M times the basic time interval; when the gas concentration gradient is lower than the relative concentration change amplitude threshold, the sampling interval is shortened to N times the basic time interval, where M<1 and N>1; the nitrogen purge mechanism is activated during the switching process of each sampling position, and the stepper motor adopts closed-loop servo control.

[0037] Specifically, the gas concentration gradient refers to the rate of change of gas concentration between different sampling locations, reflecting the spatial variation of gas concentration. It can be calculated by measuring the difference in gas concentration between adjacent sampling locations. The relative concentration change amplitude threshold is a preset parameter used to determine whether the gas concentration change is significant. When the actual gas concentration gradient exceeds this threshold, it indicates that the gas composition in this area is changing rapidly, and more frequent sampling is required to capture these changes. The nitrogen purge mechanism is a cleaning measure that injects nitrogen into the sampling channel to purge any residual gas samples and avoid cross contamination. Closed-loop servo control is a control method that monitors the position and status of the stepper motor in real time through a feedback mechanism to ensure its precise operation.

[0038] Execution steps: When the gas concentration gradient exceeds the relative concentration change amplitude threshold, it indicates that the gas composition changes rapidly in this area. At this time, the sampling interval is shortened to M times the basic time interval (M < 1) to increase the sampling frequency and capture concentration changes more timely. For example, the gas concentration gradient between the air inlet and the middle section is large, indicating that the gas composition has changed rapidly after entering the device. At this time, shortening the sampling interval can more accurately monitor these changes; on the contrary, when the gas concentration gradient is lower than the relative concentration change amplitude threshold, it indicates that the gas composition changes slowly. At this time, the sampling interval is extended to N times the basic time interval (N > 1) to reduce data redundancy. For example, in the outlet area where the gas composition is relatively stable, extending the sampling interval can avoid unnecessary sampling operations and improve detection efficiency.

[0039] The nitrogen purge mechanism is activated during the sampling position switching process to avoid cross contamination. As an inert gas, nitrogen can effectively purge the residual gas in the sampling channel to ensure that the gas sample collected each time is pure. For example, when switching from the air inlet to the middle section sampling, the nitrogen purge can remove the residual air inlet gas in the channel and ensure the accuracy of the middle section sampling.

[0040] At the same time, the stepper motor uses closed-loop servo control to monitor and adjust the motor's position and state in real time to ensure that the sampling probe can accurately reach the predetermined position. The closed-loop servo control, through a feedback mechanism, can promptly correct deviations caused by mechanical errors or external interference, improving the stability and reliability of the sampling process. For example, during the sampling probe switching process, closed-loop servo control can ensure that the probe moves accurately from one sampling position to another, avoiding sampling deviations caused by position deviations. In the above steps, through this combination of dynamic time interval adjustment, nitrogen purge, and closed-loop servo control, efficient and accurate gas sampling is achieved, providing strong support for the precise detection of gas composition.

[0041] Furthermore, the gas composition and the concentration of each component are determined by using the quantitative and qualitative units corresponding to the gas chromatography-mass spectrometry instrument. The method of this application includes: Upload the characteristic absorption peak intensity and characteristic absorption peak wavenumber of the gas sample; after aligning the reference axis with the characteristic absorption peak intensity and characteristic absorption peak wavenumber of the gas sample, perform data fusion on the retention time, characteristic ion abundance ratio and absorption peak area of ​​the infrared spectrum corresponding to the gas chromatography-mass spectrometry instrument, and configure the quantitative and qualitative unit quantity.

[0042] Specifically, characteristic absorption peak intensity refers to the absorption intensity of a gas sample at a specific wavenumber in the infrared spectrum. It reflects the gas molecules' ability to absorb infrared light of a specific wavelength and is an important basis for qualitative and quantitative analysis of gas composition. Characteristic absorption peak wavenumber refers to the wavenumber position at which the gas sample's absorption peak appears in the infrared spectrum. Different gas components have unique characteristic absorption peak wavenumbers, which can be used to distinguish different gas components. Reference axis alignment aligns the characteristic absorption peak intensity and wavenumber of a gas sample with data from a standard infrared spectral library to eliminate deviations caused by instrument drift or changes in experimental conditions. Data fusion combines data from different detection methods (such as gas chromatography, mass spectrometry, and infrared spectroscopy) to improve the accuracy and reliability of test results. Combined quantitative and qualitative analysis involves analyzing data from multiple detection methods to determine quantitative and qualitative results for gas composition and concentration.

[0043] Execution steps: You need to upload the characteristic absorption peak intensity and characteristic absorption peak wavenumber of the gas sample. This data is measured by an infrared spectrometer and reflects the absorption characteristics of the gas sample at a specific wavenumber. The absorption peak intensity reflects the concentration of the component. Uploading this data provides basic information for subsequent analysis. The characteristic absorption peak intensity and wavenumber of the gas sample are used for reference axis alignment. This process compares and aligns the measured absorption peak with data in a standard infrared spectrum library to eliminate deviations caused by instrument drift or changes in experimental conditions. For example, if the measured absorption peak wavenumber deviates from the standard wavenumber, reference axis alignment can correct this deviation and ensure the accuracy of subsequent analysis.

[0044] After aligning the reference axes, data fusion is performed on the retention time, characteristic ion abundance ratio, and absorption peak area of ​​the gas chromatography-mass spectrometry (GC-MS) instrument. Specifically, gas chromatography separates different components by retention time, mass spectrometry performs qualitative analysis by characteristic ion abundance ratio, and infrared spectroscopy performs quantitative analysis by absorption peak area. Through data fusion, these data from different detection methods are comprehensively analyzed to improve the accuracy and reliability of the detection results. For example, for a mixed gas sample, gas chromatography can separate the different components, mass spectrometry can determine the molecular structure of each component, and infrared spectroscopy can provide information on the concentration of each component. Through data fusion, this information is integrated to form a complete detection result. By configuring and combining quantitative and qualitative units of data fusion, quantitative and qualitative analysis results of gas components and their concentrations are generated, improving the accuracy of detection, thereby promptly identifying potential safety hazards and taking appropriate measures to adjust and optimize them, providing more accurate data support for the safe operation of the gas release device.

[0045] Furthermore, the reference axis is aligned based on the characteristic absorption peak intensity and characteristic absorption peak wavenumber of the gas sample. The method of the present application includes: Using the standard infrared spectrum library of common gas components as a benchmark, the characteristic absorption peak intensity and characteristic absorption peak wavenumber of the gas sample are compared to determine the actual wavenumber deviation value; after performing reference axis alignment based on the actual wavenumber deviation value, the absorption peak matching degree is determined. If the absorption peak matching degree meets the matching degree standard, the reference axis alignment operation is deemed valid.

[0046] Specifically, the standard infrared spectrum library is a database containing standard infrared absorption spectrum data of common gas components. These data are usually precisely measured and verified and used as a reference for qualitative and quantitative analysis of gas components; the actual wavenumber deviation value refers to the difference between the characteristic absorption peak wavenumber of the gas sample and the standard wavenumber of the corresponding gas component in the standard infrared spectrum library, reflecting the possible instrument drift or changes in experimental conditions during the measurement process; the absorption peak matching degree is an indicator to measure the degree of similarity between the characteristic absorption peak of the gas sample and the corresponding absorption peak in the standard infrared spectrum library, which is usually determined by calculating the matching degree of parameters such as the wavenumber and intensity of the absorption peak; the matching degree standard is used to judge whether the absorption peak match is close enough, thereby determining whether the reference axis alignment operation is effective.

[0047] Execution steps: To ensure the accuracy of the test results, it is necessary to compare the characteristic absorption peak intensity and wave number of the gas sample with the data in the standard infrared spectrum library. Specifically, the characteristic absorption peak wave number of the gas sample is compared with the standard wave number of the corresponding gas component in the standard infrared spectrum library, and the actual wave number deviation value is calculated. For example, the characteristic absorption peak wave number of the gas sample is 1500cm -1 , and the standard wave number is 1505cm -1 , then the actual wave number deviation is -5cm -1 , this deviation value reflects the possible instrument drift or experimental condition changes during the measurement process.

[0048] Based on the actual wavenumber deviation value, the characteristic absorption peak of the gas sample is aligned to the reference axis. This process adjusts the wavenumber position of the absorption peak to make it consistent with the standard wavenumber, thereby eliminating the deviation. For example, if the actual wavenumber deviation value is -5cm -1 , then adjust the wavenumber of all characteristic absorption peaks upward by 5cmcm -1 , aligning them with the standard wavenumbers. After the reference axis alignment is complete, the degree of match between the characteristic absorption peaks of the gas sample and the corresponding absorption peaks in the standard infrared spectral library needs to be determined. The degree of match can be determined by calculating the similarity of parameters such as the absorption peak's wavenumber and intensity. For example, if the relative error between the intensity of the characteristic absorption peak of the gas sample and the standard absorption peak does not exceed 5%, and the wavenumber deviation is within the allowable range, the match is considered high.

[0049] If the absorption peak matching reaches the preset matching standard, the reference axis alignment operation is considered valid. For example, the matching standard is that the relative error of the absorption peak intensity does not exceed 5%, and the wave number deviation does not exceed ±2cm. -1If the actual matching results meet these conditions, the reference axis alignment operation can be considered successful, ensuring that the characteristic absorption peaks of the gas sample are highly consistent with the data in the standard infrared spectrum library, thereby providing a reliable basis for subsequent qualitative and quantitative analysis. Preferably, through this method of reference axis alignment and matching evaluation, the accuracy and reliability of gas composition detection can be significantly improved.

[0050] Furthermore, the present application method includes: Each gas in the standard infrared spectrum library contains at least three standard wavenumbers of characteristic absorption peaks, and each standard wavenumber is accompanied by an allowable deviation range and an intensity reference value; when the characteristic absorption peak wavenumber of the gas sample falls within the allowable deviation range attached to the standard wavenumber, and the relative error between the characteristic absorption peak intensity of the gas sample and the intensity reference value attached to the standard wavenumber does not exceed a preset error threshold, it is determined to be a valid matching peak.

[0051] Specifically, the allowable deviation range attached to the standard wavenumber means that in the standard infrared spectrum library, the characteristic absorption peak wavenumber of each gas has an allowable fluctuation range. This range takes into account the instrument errors and environmental factors that may exist in actual measurements. The intensity reference value refers to the standard intensity of the characteristic absorption peak of each gas in the standard infrared spectrum library, which is used as a reference for qualitative analysis of gas components. The relative error refers to the degree of difference between the characteristic absorption peak intensity of the gas sample and the standard intensity reference value, usually expressed as a percentage. The preset error threshold is a pre-set error range used to determine whether the characteristic absorption peak intensity of the gas sample is close enough to the standard intensity reference value, thereby deciding whether to determine it as a valid matching peak.

[0052] Implementation steps: To ensure the accuracy and reliability of detection, each gas contains at least three standard wavenumbers of characteristic absorption peaks in the standard infrared spectrum library. Each standard wavenumber is accompanied by an allowable deviation range and an intensity reference value. For example, for a specific gas component, the standard wavenumbers are 1500cm -1 , 2000cm -1 and 2500cm -1 The allowable deviation range of each wave number is ±2cm -1 , the intensity reference values ​​are 0.5, 0.7 and 0.9 (normalized intensity values) respectively; when the gas sample is detected, the wave number and intensity of its characteristic absorption peak are measured, and these measured values ​​are compared with the data in the standard infrared spectrum library. Specifically, check whether the characteristic absorption peak wave number of the gas sample falls within the allowable deviation range of the standard wave number. For example, the wave number of a characteristic absorption peak of the gas sample is 1501cm -1 , and the standard wave number is 1500cm -1 , the allowable deviation range is ±2cm -1, then the wavenumber match is successful; obtain the relative error between the characteristic absorption peak intensity of the gas sample and the standard intensity reference value. For example, if the characteristic absorption peak intensity of the gas sample is 0.52, and the standard intensity reference value is 0.5, then the relative error is (0.52-0.5) / 0.5=0.04, that is, 4%; if the relative error does not exceed the preset error threshold (for example, 5%), then the characteristic absorption peak is determined to be a valid matching peak. In short, the relative error is 4%, which is less than the preset error threshold of 5%, so the characteristic absorption peak is determined to be a valid matching peak.

[0053] In the above steps, through this rigorous matching process, it can be ensured that the characteristic absorption peaks of the gas sample are highly consistent with the data in the standard infrared spectrum library, and the specific components in the gas sample can be accurately identified. Even in a complex mixed gas environment, different gas components can be effectively distinguished, thereby improving the accuracy of gas component detection and providing a reliable basis for quantitative analysis, thereby providing strong technical support for the safe operation and performance optimization of the gas release device.

[0054] Furthermore, according to the flow controller, the sampling flow rate of each sampling position corresponding to the sampling channel is adjusted, and the method of the present application further includes: For the mixed gas components, the relative content ratio is determined by comparing the characteristic absorption peak intensity ratio with the theoretical characteristic absorption peak intensity ratio of the mixed components in the standard infrared spectrum library; according to the gas flow demand, the sampling flow of each sampling position is dynamically allocated according to the flow controller, so that the product of the sampling flow of each sampling position and the corresponding gas concentration is kept within the linear response range of the gas chromatography-mass spectrometry.

[0055] Specifically, the characteristic absorption peak intensity ratio refers to the ratio of the characteristic absorption peak intensity of a component in a mixed gas to its total absorption peak intensity, which is used to reflect the relative content of the component in the mixed gas. The theoretical characteristic absorption peak intensity ratio refers to the theoretical characteristic absorption peak intensity ratio of the mixed components in the standard infrared spectrum library, which is calculated based on known components and concentrations. The relative content ratio refers to the actual content ratio of each component in the mixed gas, which is determined by comparing the characteristic absorption peak intensity ratio with the theoretical characteristic absorption peak intensity ratio. The linear response range refers to the concentration range that a gas chromatograph-mass spectrometer (GC-MS) can accurately detect and give a linear relationship. Within this range, the instrument's response signal is proportional to the gas concentration.

[0056] Execution steps: By comparing the characteristic absorption peak intensity ratios of a gas sample with the theoretical characteristic absorption peak intensity ratios of mixed components in a standard infrared spectral library, the relative content ratios of each component in the mixed gas can be accurately determined. For example, suppose a mixed gas consists of two components, A and B. The theoretical characteristic absorption peak intensity ratios of A and B in the standard infrared spectral library are 60% and 40%, respectively. In actual measurements, if the characteristic absorption peak intensity ratios of the gas sample are 58% and 42%, respectively, the relative content ratios of A and B in the mixed gas can be determined to be close to the theoretical values ​​of 58% and 42%, respectively. This comparison method effectively handles the complexity of mixed gas components and provides accurate relative content information for subsequent quantitative analysis.

[0057] In the actual detection process, in order to ensure the accuracy and reliability of the test results, it is necessary to dynamically allocate the sampling flow rate of each sampling location through a flow controller according to the gas flow demand. Specifically, it is necessary to keep the product of the sampling flow rate and the corresponding gas concentration at each sampling location within the linear response range of the gas chromatography-mass spectrometer. For example, the linear response range of the gas chromatography-mass spectrometer is 0.1ppm to 10ppm, and the gas concentration at a certain sampling location is 5ppm. To ensure the accuracy of the test results, the flow controller needs to dynamically adjust the sampling flow rate so that the product of the sampling flow rate and the gas concentration (i.e., sampling flow rate × 5ppm) falls within the range of 0.1ppm to 10ppm, ensuring that the instrument operates in the optimal working state and improving the accuracy and reliability of the test results. In the above steps, through dynamic flow allocation, it can be ensured that gas samples collected at different sampling locations can be detected within the linear response range of the gas chromatography-mass spectrometer, thereby providing a strong guarantee for the accurate detection and analysis of the mixed gas components.

[0058] Furthermore, according to the flow controller, the sampling flow rate of each sampling position corresponding to the sampling channel is adjusted. The method of the present application includes: The flow controller adopts a dual-channel control mode, in which the main channel is responsible for the sampling flow distribution between the air inlet and the air outlet, and the secondary channel is used to compensate for pipeline losses; at the same time, according to the gas concentration fluctuations at the sampling position in the middle section, the main channel dynamically adjusts the flow ratio of the air inlet and the air outlet.

[0059] Specifically, the dual-channel control mode means that the flow controller has two independent control channels, and each channel can independently adjust the sampling flow. This mode is often used for more complex flow distribution and compensation. The main channel is the main channel of the flow controller, responsible for the main sampling flow distribution, and is usually used for flow control at the inlet and outlet. The secondary channel is an auxiliary channel used to compensate for flow deviations caused by factors such as pipeline loss. Pipeline loss refers to the flow loss caused by friction, leakage or other factors in the pipeline during the sampling process. Gas concentration fluctuation refers to the change of gas concentration with time and position during the sampling process. This fluctuation may affect the distribution of the sampling flow.

[0060] Implementation steps: The main channel is responsible for distributing the sampling flow rate to the inlet and outlet. The inlet and outlet are key locations in the gas release device, and precise control of their sampling flow rate is crucial for the accuracy of the test results. For example, the gas composition at the inlet and outlet can differ significantly, so the sampling flow rate at the inlet and outlet needs to be dynamically adjusted according to actual needs. The main channel dynamically adjusts the flow rate ratio of the inlet and outlet by monitoring gas concentration and flow demand in real time to ensure that the product of the sampling flow rate and gas concentration at each location remains within the linear response range of the gas chromatography-mass spectrometry instrument.

[0061] The secondary channel is used to compensate for pipeline losses. Specifically, during the sampling process, flow loss may occur due to friction, leaks, or other factors in the pipeline. The secondary channel monitors flow changes in the pipeline in real time and automatically adjusts the flow rate to compensate for these losses. For example, if a drop in flow is detected in the pipeline, the secondary channel can increase the flow rate to ensure stable and accurate sampling flow.

[0062] According to the gas concentration fluctuations at the sampling position in the middle section, the main channel dynamically adjusts the flow ratio of the air inlet and the air outlet. The middle section is the area where the gas undergoes chemical reactions or physical changes in the device. The changes in its gas concentration can reflect the operating status of the device by monitoring the gas concentration fluctuations in the middle section; the main channel can adjust the flow ratio of the air inlet and the air outlet in real time to ensure the reasonable distribution of the sampling flow. If the gas concentration in the middle section suddenly increases, the main channel can appropriately increase the sampling flow of the air inlet to obtain more gas samples, while reducing the sampling flow of the air outlet to avoid data redundancy.

[0063] The dual-channel control mode has significant advantages in practical applications. Commonly, gas release devices may produce mixed gases with multiple components, whose concentration and flow rate will change with time and position. Through the dual-channel control mode, the flow controller can accurately distribute the sampling flow, compensate for pipeline losses, and dynamically adjust the flow rate ratio according to gas concentration fluctuations, thereby improving the accuracy and reliability of sampling, providing strong support for the precise detection of gas components, thereby ensuring the safe operation and performance optimization of the gas release device.

[0064] Furthermore, the present application method also includes: For a single gas component, if at least two of the three characteristic absorption peaks achieve a valid match, a secondary verification is triggered: the retention time window of the gas chromatography-mass spectrometry instrument and the mass spectrum characteristic ion abundance ratio are called for cross-checking.

[0065] Specifically, an effective match means that the wavenumber and intensity of the characteristic absorption peak of the gas sample are highly consistent with the data in the standard infrared spectrum library within the allowable deviation range, meeting the preset matching standards. Secondary verification refers to an additional verification step performed to further confirm the accuracy of the gas composition after the initial match is successful. The retention time window refers to the time range required for a specific component to pass through the chromatographic column in gas chromatography, which is used to distinguish different components. The mass spectrometry characteristic ion abundance ratio refers to the relative intensity ratio of specific ions in the mass spectrum, which is used to qualitatively analyze the gas composition. Cross-verification refers to the verification of the same component through multiple detection methods to improve the reliability of the test results.

[0066] Implementation steps: For a single gas component, initial detection is performed by matching the characteristic absorption peaks of the infrared spectrum. If at least two of the three characteristic absorption peaks are effectively matched, the initial detection result is highly reliable. However, to further ensure the accuracy of the test results, secondary verification needs to be triggered. Gas chromatography uses retention time to separate and identify different components. Each gas component has a unique retention time under specific chromatographic conditions. By calling the retention time window of the gas chromatograph-mass spectrometer (GC-MS), it is possible to determine whether the retention time of a specific component in the gas sample is consistent with the standard value. For example, if the standard retention time of a gas is 10 minutes, and the detected retention time is between 9.8 minutes and 10.2 minutes (assuming this is the retention time window), the retention time is considered to match.

[0067] Mass spectrometry identifies gas components by detecting the mass-to-charge ratio (m / z) of ions. Each gas component has specific characteristic ions and their abundance ratios in the mass spectrum. By calling the mass spectrometry characteristic ion abundance ratio, the accuracy of the gas composition can be further verified. For example, if a standard mass spectrum of a certain gas has two characteristic ions with an abundance ratio of 3:1, and the detected abundance ratio is 2.9:1, it can be considered that the mass spectrometry characteristic ion abundance ratio matches. The detection results of the retention time window and the mass spectrometry characteristic ion abundance ratio are cross-checked. Only when both detection results match can the accuracy of the gas composition be finally confirmed. If the retention time matches but the mass spectrometry characteristic ion abundance ratio does not match, or vice versa, the detection results need to be re-evaluated, and further testing or adjustment of detection parameters are required.

[0068] Through secondary verification, the accuracy and reliability of gas composition detection can be significantly improved. In actual applications, preliminary detection may be affected by various factors, such as instrument drift, sample contamination, etc.; through cross-checking of retention time windows and mass spectrometry characteristic ion abundance ratios, the possibility of misjudgment can be effectively reduced. Through secondary verification, the accuracy of the test results can be ensured, thereby providing strong support for safety monitoring and quality control of the production process. It not only improves the accuracy of detection, but also reduces the potential risks caused by misjudgment, ensuring the safe operation and performance optimization of the gas release device.

[0069] In summary, the beneficial effects of the embodiments of the present application are: The invention adopts a sampling channel connected to a gas release device to collect gas samples and introduce them into a gas chromatograph-mass spectrometer, configure the chromatographic column temperature gradient and mass spectrometer scanning parameters; adjust the sampling flow rate of each sampling position corresponding to the sampling channel according to the flow controller, synchronously record the sampling time, position and ambient pressure parameters, and set the sampling correlation control matrix in combination with the chromatographic column temperature gradient and mass spectrometer scanning parameters; determine the gas composition and the concentration of each component through the corresponding quantitative and qualitative units of the gas chromatograph-mass spectrometer; map and associate the gas composition and the concentration of each component with the corresponding sampling correlation control matrix to generate a gas composition distribution map, and generate a composition detection report by combining the performance indicators of the gas release device with the safety concentration threshold and the component ratio threshold. The present application provides an efficient component detection method and system for a gas release device. It achieves the goal of accurately capturing the differences in gas composition in key parts of the device by dynamically adjusting the flow at different sampling positions and dynamically switching the sampling positions with a stepper motor. At the same time, it reduces cross contamination through nitrogen purging and closed-loop control. By constructing a sampling correlation control matrix and combining it with the gas composition distribution map, it intuitively presents the spatiotemporal distribution characteristics of the gas composition. The linearity of the detection response is ensured through dynamic flow distribution, which improves quantitative accuracy and ensures the safety and stability of the operation of the gas release device.

[0070] Example 2, based on the same inventive concept as the method for efficiently detecting components of a gas release device in the previous embodiment, Figure 2 As shown, an embodiment of the present application provides an efficient component detection system for a gas release device, wherein the system includes: Configuration module M100: According to the sampling channel connected to the gas release device, collect gas samples and introduce them into the gas chromatography-mass spectrometer, and configure the chromatographic column temperature gradient and mass spectrometry scanning parameters.

[0071] Matrix setting module M200: adjusts the sampling flow of each sampling position corresponding to the sampling channel according to the flow controller, synchronously records the sampling time, position and ambient pressure parameters, and sets the sampling correlation control matrix in combination with the chromatographic column temperature gradient and mass spectrometry scanning parameters.

[0072] Concentration determination module M300: determines the gas composition and the concentration of each component through the quantitative and qualitative units corresponding to the gas chromatography-mass spectrometry instrument.

[0073] Mapping association module M400: maps and associates the gas composition and the concentration of each component with the corresponding sampling association control matrix to generate a gas composition distribution map, and generates a composition detection report by combining the performance indicators of the gas release device with the safety concentration threshold and the component ratio threshold.

[0074] Furthermore, the matrix setting module M200 is further configured to execute the following method: The sampling positions corresponding to the sampling channels correspond to at least the air inlet, the middle section and the air outlet of the gas release device; a stepping motor is used to drive the sampling probe to switch between the sampling positions at dynamic time intervals.

[0075] Furthermore, the matrix setting module M200 is further configured to execute the following method: The dynamic time interval is adaptively adjusted based on the gas concentration gradient between the current sampling position and the adjacent sampling position: when the gas concentration gradient exceeds the relative concentration change amplitude threshold, the sampling interval is shortened to M times the basic time interval; when the gas concentration gradient is lower than the relative concentration change amplitude threshold, the sampling interval is shortened to N times the basic time interval, where M<1 and N>1; the nitrogen purge mechanism is activated during the switching process of each sampling position, and the stepper motor adopts closed-loop servo control.

[0076] Furthermore, the concentration determination module M300 is configured to perform the following method: Upload the characteristic absorption peak intensity and characteristic absorption peak wavenumber of the gas sample; after aligning the reference axis with the characteristic absorption peak intensity and characteristic absorption peak wavenumber of the gas sample, perform data fusion on the retention time, characteristic ion abundance ratio and absorption peak area of ​​the infrared spectrum corresponding to the gas chromatography-mass spectrometry instrument, and configure the quantitative and qualitative unit quantity.

[0077] Furthermore, the concentration determination module M300 is further configured to execute the following method: Using the standard infrared spectrum library of common gas components as a benchmark, the characteristic absorption peak intensity and characteristic absorption peak wavenumber of the gas sample are compared to determine the actual wavenumber deviation value; after performing reference axis alignment based on the actual wavenumber deviation value, the absorption peak matching degree is determined. If the absorption peak matching degree meets the matching degree standard, the reference axis alignment operation is deemed valid.

[0078] Furthermore, the concentration determination module M300 is further configured to execute the following method: Each gas in the standard infrared spectrum library contains at least three standard wavenumbers of characteristic absorption peaks, and each standard wavenumber is accompanied by an allowable deviation range and an intensity reference value; when the characteristic absorption peak wavenumber of the gas sample falls within the allowable deviation range attached to the standard wavenumber, and the relative error between the characteristic absorption peak intensity of the gas sample and the intensity reference value attached to the standard wavenumber does not exceed a preset error threshold, it is determined to be a valid matching peak.

[0079] Furthermore, the matrix setting module M200 is further configured to execute the following method: For the mixed gas components, the relative content ratio is determined by comparing the characteristic absorption peak intensity ratio with the theoretical characteristic absorption peak intensity ratio of the mixed components in the standard infrared spectrum library; according to the gas flow demand, the sampling flow of each sampling position is dynamically allocated according to the flow controller, so that the product of the sampling flow of each sampling position and the corresponding gas concentration is kept within the linear response range of the gas chromatography-mass spectrometry.

[0080] Furthermore, the matrix setting module M200 is further configured to execute the following method: The flow controller adopts a dual-channel control mode, in which the main channel is responsible for the sampling flow distribution between the air inlet and the air outlet, and the secondary channel is used to compensate for pipeline losses; at the same time, according to the gas concentration fluctuations at the sampling position in the middle section, the main channel dynamically adjusts the flow ratio of the air inlet and the air outlet.

[0081] Furthermore, the matrix setting module M200 is further configured to execute the following method: For a single gas component, if at least two of the three characteristic absorption peaks achieve a valid match, a secondary verification is triggered: the retention time window of the gas chromatography-mass spectrometry instrument and the mass spectrum characteristic ion abundance ratio are called for cross-checking.

[0082] In summary, any step can be stored as a computer instruction or program in an unlimited computer memory and can be called and recognized by an unlimited computer processor, without any unnecessary restrictions.

[0083] Furthermore, the above technical solution only reflects the preferred technical solution of the technical solution of the embodiment of the present application. Some changes that may be made to certain parts thereof by technical personnel in this technical field all reflect the novel principles of the embodiment of the present application. Obviously, technical personnel in this field can make various changes and modifications to the present application without departing from the scope of the present application.

Claims

1. A highly efficient method for detecting components of a gas release device, characterized in that: The method comprises: According to the sampling channel connected to the gas release device, the gas sample is collected and introduced into the gas chromatography-mass spectrometer, and the chromatographic column temperature gradient and mass spectrometry scanning parameters are configured; The flow controller adjusts the sampling flow rate of each sampling position corresponding to the sampling channel, synchronously records the sampling time, position and ambient pressure parameters, and sets the sampling correlation control matrix in combination with the chromatographic column temperature gradient and mass spectrometry scanning parameters; Determine the gas composition and concentration of each component by using the corresponding quantitative and qualitative units of the gas chromatography-mass spectrometry instrument; The gas composition and the concentration of each component are mapped and associated with the corresponding sampling association control matrix to generate a gas composition distribution map, and a composition detection report is generated by combining the performance indicators of the gas release device with the safety concentration threshold and the component ratio threshold.

2. The method for efficiently detecting components of a gas release device according to claim 1, wherein: The method comprises: Each sampling position corresponding to the sampling channel corresponds to at least the air inlet, the middle section and the air outlet of the gas release device; The sampling probe is driven by a stepper motor and switches between various sampling positions at dynamic time intervals.

3. The method for efficiently detecting components of a gas release device according to claim 2, wherein: Switching between various sampling locations at dynamic time intervals, the method comprising: The dynamic time interval is adaptively adjusted based on the gas concentration gradient between the current sampling position and the adjacent sampling position: when the gas concentration gradient exceeds the relative concentration change amplitude threshold, the sampling interval is shortened to M times the basic time interval; when the gas concentration gradient is lower than the relative concentration change amplitude threshold, the sampling interval is shortened to N times the basic time interval, where M < 1 and N > 1; The nitrogen purge mechanism is activated during the switching process of each sampling position, and the stepper motor adopts closed-loop servo control.

4. The method for efficiently detecting components of a gas release device according to claim 2, wherein: Determining the gas composition and the concentration of each component by using the quantitative and qualitative units corresponding to the gas chromatography-mass spectrometry instrument, the method includes: Upload the characteristic absorption peak intensity and characteristic absorption peak wavenumber of the gas sample; After aligning the characteristic absorption peak intensity and characteristic absorption peak wavenumber of the gas sample on the reference axis, data fusion is performed on the retention time, characteristic ion abundance ratio and absorption peak area of ​​the infrared spectrum corresponding to the gas chromatography-mass spectrometry instrument to configure a quantitative and qualitative unit.

5. The method for efficiently detecting components of a gas release device according to claim 4, wherein: Performing reference axis alignment based on the characteristic absorption peak intensity and characteristic absorption peak wavenumber of the gas sample, the method comprising: Using a standard infrared spectrum library of common gas components as a benchmark, comparing the characteristic absorption peak intensity and characteristic absorption peak wavenumber of the gas sample to determine the actual wavenumber deviation value; After the reference axis alignment is performed based on the actual wave number deviation value, the absorption peak matching degree is determined. If the absorption peak matching degree meets the matching degree standard, the reference axis alignment operation is deemed to be valid.

6. The method for efficiently detecting components of a gas release device according to claim 5, wherein: The method comprises: Each gas in the standard infrared spectrum library contains at least three standard wavenumbers of characteristic absorption peaks, and each standard wavenumber is accompanied by an allowable deviation range and an intensity reference value; When the characteristic absorption peak wave number of the gas sample falls within the allowable deviation range of the standard wave number, and the relative error between the characteristic absorption peak intensity of the gas sample and the intensity reference value of the standard wave number does not exceed the preset error threshold, it is determined to be a valid matching peak.

7. The method for efficiently detecting components of a gas release device according to claim 6, wherein: The method further comprises: adjusting the sampling flow rate of each sampling position corresponding to the sampling channel according to the flow controller; For the mixed gas components, the relative content ratio is determined by comparing the characteristic absorption peak intensity ratio with the theoretical characteristic absorption peak intensity ratio of the mixed components in the standard infrared spectrum library; According to the gas flow demand, the sampling flow of each sampling position is dynamically allocated according to the flow controller, so that the product of the sampling flow of each sampling position and the corresponding gas concentration is kept within the linear response range of the gas chromatography-mass spectrometry instrument.

8. The method for efficiently detecting components of a gas release device according to claim 7, wherein: The method includes adjusting the sampling flow rate of each sampling position corresponding to the sampling channel according to the flow controller, and comprising: The flow controller adopts a dual-channel control mode, wherein the main channel is responsible for the sampling flow distribution between the air inlet and the air outlet, and the secondary channel is used to compensate for pipeline losses; At the same time, according to the gas concentration fluctuation at the sampling position in the middle section, the main channel dynamically adjusts the flow ratio of the air inlet and the air outlet.

9. The method for efficiently detecting components of a gas release device according to claim 8, wherein: The method further comprises: For a single gas component, if at least two of the three characteristic absorption peaks achieve a valid match, a secondary verification is triggered: the retention time window of the gas chromatography-mass spectrometry instrument and the mass spectrum characteristic ion abundance ratio are called for cross-checking.

10. An efficient component detection system for a gas release device, characterized in that: The system is used to implement the steps of the method for efficiently detecting components of a gas release device according to any one of claims 1 to 9, comprising: Configuration module: According to the sampling channel connected to the gas release device, the gas sample is collected and introduced into the gas chromatography-mass spectrometer, and the chromatographic column temperature gradient and mass spectrometry scanning parameters are configured; Matrix setting module: adjusts the sampling flow rate of each sampling position corresponding to the sampling channel according to the flow controller, synchronously records the sampling time, position and ambient pressure parameters, and sets the sampling correlation control matrix in combination with the chromatographic column temperature gradient and mass spectrometry scanning parameters; Concentration determination module: determines the gas composition and concentration of each component through the quantitative and qualitative units corresponding to the gas chromatography-mass spectrometry instrument; Mapping and association module: maps and associates the gas composition and the concentration of each component with the corresponding sampling association control matrix to generate a gas composition distribution map, and generates a composition detection report by combining the performance indicators of the gas release device with the safety concentration threshold and the component ratio threshold.

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