A Model 3010 Data Collection Method

Abstract

The present invention provides a Model 3010 data acquisition method, which collects the preheating temperature of a gas combustion measurement chamber and a heating pipeline. When the preheating temperature reaches a first preset temperature, a sample gas acquisition signal is sent, and a high-temperature hydrogen flame ionization detector is controlled to ignite a flame, so as to minimize the influence of condensation of the gas to be detected on the measurement accuracy; the gas to be detected is collected according to a preset acquisition frequency and an acquisition time, and the total hydrocarbon concentration data in the gas to be detected is obtained based on a total hydrocarbon detection unit. The methane detection unit controls a methane splitter to separate methane from the gas to be detected, and obtains the methane concentration data in the gas to be detected. Finally, the non-methane total hydrocarbon concentration data in the gas to be detected is obtained, and all the concentration data are sent to an internal memory or an external storage device for storage. A very complicated detection process is not required, and accurate concentration data of total hydrocarbons / methane / non-methane total hydrocarbons in the gas can be obtained in a short time after the environmental gas is collected.

Description

Technical Field

[0001] The present invention relates to the technical field of gas analysis, and in particular to a Model 3010 data acquisition method. Background Art

[0002] In the fields of environmental monitoring and industrial safety, it is very important to quickly and accurately measure the total hydrocarbon and non-methane total hydrocarbon content in the environment. Most of the existing analytical instruments are bulky and complicated to use, which limits their application in field environments. Therefore, a portable total hydrocarbon / non-methane total hydrocarbon analyzer and a data acquisition method thereof are needed. Summary of the invention

[0003] The present invention provides a Model 3010 data acquisition method, which can obtain accurate concentration data of total hydrocarbons / methane / non-methane total hydrocarbons in the gas in a short time after collecting ambient gas (gas to be detected). At the same time, the final collected concentration data can be sent to an internal memory or an external storage device for storage, which is convenient for users to call it later and generate reports and charts.

[0004] The present invention provides a Model 3010 data acquisition method, comprising:

[0005] Step 1: Collect the preheating temperature of the gas combustion measurement chamber and the heating pipeline. When the preheating temperature reaches the first preset temperature, send a sample gas collection signal and control the high-temperature hydrogen flame ionization detector to ignite the flame;

[0006] Step 2: Collect the gas to be detected according to the preset collection frequency and collection time, and obtain the first concentration data of the total hydrocarbons in the gas to be detected based on the total hydrocarbon detection unit.

[0007] Step 3: The methane detection unit controls the methane splitter to separate methane from the gas to be detected, and obtains second concentration data of methane in the gas to be detected;

[0008] Step 4: Calculate the third concentration data of non-methane total hydrocarbons in the gas to be detected based on the first concentration data and the second concentration data, and send the first concentration data, the second concentration data and the third concentration data to the internal memory or the external storage device for storage.

[0009] Preferably, in a Model 3010 data acquisition method, controlling a high temperature hydrogen flame ionization detector to ignite a flame includes:

[0010] The heating pipeline is controlled to be maintained at a second preset temperature, and a compensation gas is filled into the gas combustion measurement chamber.

[0011] Preferably, in a Model 3010 data acquisition method, filling a compensating gas into a gas combustion measurement chamber comprises:

[0012] Collect the air in the current environment;

[0013] Passing the air into a built-in heating catalytic air purifier to decarbonize the air to obtain combustion-supporting air free of organic matter;

[0014] The combustion-supporting air is used as supplementary gas and introduced into the gas combustion measurement chamber.

[0015] Preferably, in a Model 3010 data acquisition method, combustion-supporting air is used as supplementary gas and introduced into a gas combustion measurement chamber, comprising:

[0016] Acquire first air intake data corresponding to the gas to be detected;

[0017] Based on the first air intake data and in combination with a supplementary gas charging reference table, a gas charging strategy for the supplementary gas is generated;

[0018] According to the gas charging strategy, supplementary gas is introduced into the gas combustion measurement chamber.

[0019] Preferably, in a Model 3010 data acquisition method, the method further includes: establishing a supplementary gas charging reference list, including:

[0020] Obtain historical combustion data of Model 3010, determine the second air intake data of each historical sample gas to be detected and the corresponding charging data of the supplementary gas based on the historical combustion data, and establish multiple data pairs;

[0021] The second air intake data includes the total amount of historical sample air intake to be tested and the air intake flow rate; the charging data includes the total amount of supplementary gas and the supplementary flow rate;

[0022] Based on data pairing, draw the historical image of the intake change of the sample gas to be detected and the corresponding image of the filling change of the supplementary gas to obtain multiple groups of change comparison diagrams;

[0023] Performing a first mark on a first change node on a historical gas intake change image of the sample gas to be detected in the change comparison diagram, and performing a second mark on a second change node on a supplementary gas charging change image;

[0024] Based on the time correspondence of the change comparison graph, the first change node and the second change node are matched to obtain a pairing node, and the gas change correspondence is determined;

[0025] According to the corresponding relationship of the historical gas changes corresponding to the multiple paired nodes, the filling flow rate of the supplementary gas corresponding to the sample gas with the same flow rate is determined to generate a gas flow rate relationship;

[0026] Based on the corresponding relationship between gas changes and gas flow rates, a reference table for supplementary gas charging is established.

[0027] Preferably, in a Model 3010 data acquisition method, step 2 comprises:

[0028] After the gas to be detected is collected, the gas to be detected is burned with a high-temperature hydrogen flame based on the total hydrocarbon detection unit to obtain chemical ions and generate ion flow;

[0029] Performing high-resistance amplification on the ion flow to obtain a first electrical signal generated by the combustion of total hydrocarbon organic matter;

[0030] Obtaining the magnitude of the first electrical signal, and determining the total hydrocarbon content corresponding to the first electrical signal based on a preset correlation relationship between the organic compound content and the electrical signal;

[0031] Based on the inlet flow rate of the gas to be detected and the total hydrocarbon content, the total hydrocarbon concentration in the sample gas is determined to generate first concentration data.

[0032] Preferably, in a Model 3010 data acquisition method, step 3 comprises:

[0033] The methane detection unit controls the methane splitter to separate the methane from the gas to be detected, obtains methane gas, and burns the methane gas with a high-temperature hydrogen flame to obtain chemical ions and generate ion flow;

[0034] Performing high-resistance amplification on the ion flow to obtain a second electrical signal generated by the combustion of total hydrocarbon organic matter;

[0035] Obtaining the magnitude of the second electrical signal, and determining the methane content corresponding to the second electrical signal based on a preset correlation relationship between the organic compound content and the electrical signal;

[0036] Based on the inlet flow rate of the gas to be detected and the methane content, the methane concentration in the sample gas is determined to generate second concentration data.

[0037] Preferably, in a Model 3010 data acquisition method, step 4 comprises:

[0038] Record the first concentration data and the second concentration data to generate a sub-monitoring data table;

[0039] Obtain the difference between the first concentration data and the second concentration data to obtain third concentration data of non-methane total hydrocarbons in the gas to be detected, and fill it into the corresponding position of the sub-monitoring data table;

[0040] The monitoring data table is updated and stored based on the sub-monitoring data table.

[0041] Preferably, in a Model 3010 data collection method, updating and storing the monitoring data table based on the sub-monitoring data table includes:

[0042] Obtain a first table header item name corresponding to the monitoring data table and a second table header item name corresponding to the sub-monitoring data table, and correspond the first table header item name with the second table header item name to obtain a first correspondence relationship;

[0043] Based on the first corresponding relationship, determine a second corresponding relationship between the first table header item name and each data filling cell of the sub-monitoring data table, and establish a table link relationship according to the second corresponding relationship;

[0044] Get the current data of the monitoring data table and determine the latest blank row;

[0045] Based on the table link relationship, fill the data in the sub-monitoring data table into the blank column corresponding to the latest blank row;

[0046] When all the tests on the gases to be detected are completed, the sub-monitoring data table generates a link disconnection signal, eliminates the table link relationship, and archives the monitoring data table.

[0047] Preferably, generating a sub-monitoring data table in a Model 3010 data collection method includes:

[0048] Determine the total number of current data record items and the order of item records, and determine the final record items based on the item records;

[0049] Generate a data sending pointer based on the monitoring data table, and add the data sending pointer to the data filling grid corresponding to the final record item;

[0050] When data is filled into the data filling grid corresponding to the final record item, the data sending pointer is triggered, and the sub-monitoring data table sends all the data to the monitoring data table.

[0051] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description, claims, and drawings.

[0052] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0054] Figure 1 A flow chart of a Model 3010 data acquisition method of the present invention;

[0055] Figure 2 This is a flow chart of step 2 of a Model 3010 data acquisition method of the present invention;

[0056] Figure 3 A flow chart of step 3 of a Model 3010 data acquisition method of the present invention;

[0057] Figure 4 This is a flow chart of step 4 of a Model 3010 data acquisition method of the present invention. DETAILED DESCRIPTION

[0058] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0059] The present invention provides a Model 3010 data acquisition method, such as Figure 1 As shown, including:

[0060] Step 1: Collect the preheating temperature of the gas combustion measurement chamber and the heating pipeline. When the preheating temperature reaches the first preset temperature, send a sample gas collection signal and control the high-temperature hydrogen flame ionization detector to ignite the flame;

[0061] Step 2: Collect the gas to be detected according to the preset collection frequency and collection time, and obtain the first concentration data of the total hydrocarbons in the gas to be detected based on the total hydrocarbon detection unit.

[0062] Step 3: After obtaining the first concentration data, the methane detection unit controls the methane separator to separate methane from the gas to be detected, and obtains second concentration data of methane in the gas to be detected;

[0063] Step 4: Calculate the third concentration data of non-methane total hydrocarbons in the gas to be detected based on the first concentration data and the second concentration data, and send the first concentration data, the second concentration data and the third concentration data to the internal memory or the external storage device for storage.

[0064] In this embodiment, the preheating temperature refers to the preheating of the gas combustion measurement chamber and the heating pipeline before the gas to be detected is collected. During this heating process, the real-time temperature of the gas combustion measurement chamber and the heating pipe is

[0065] In this embodiment, the first preset temperature is 130°C.

[0066] In this embodiment, the sample gas collection signal refers to a notification signal that Model 3010 (3010 portable total hydrocarbon / methane / non-methane total hydrocarbon analyzer) can start collecting the gas to be detected.

[0067] In this embodiment, the first concentration data refers to the total hydrocarbon concentration value in the gas to be detected.

[0068] In this embodiment, the second concentration data refers to the methane concentration value in the gas to be detected.

[0069] In this embodiment, the third concentration data refers to the difference between the first concentration data and the second concentration data, which is the concentration value of non-methane total hydrocarbons in the gas to be detected.

[0070] In this embodiment, Model 3010 (3010 portable total hydrocarbon / methane / non-methane total hydrocarbon analyzer) can select the detection components of the gas to be detected. When total hydrocarbon detection is selected, the total hydrocarbon detection unit works; when methane detection is selected, the methane detection unit works; when non-methane total hydrocarbon detection is selected, the total hydrocarbon detection unit and the methane detection unit work in sequence.

[0071] In this embodiment, when the flame of the high-temperature hydrogen flame ionization detector is extinguished or the collection of the gas to be detected is shut down, the built-in sensor will immediately shut down the corresponding electromagnetic control valve.

[0072] Beneficial effects of the above embodiments: the present invention collects the preheating temperature of the gas combustion measurement chamber and the heating pipeline. When the preheating temperature reaches the first preset temperature, a sample gas collection signal is issued, and the high-temperature hydrogen flame ionization detector is controlled to ignite the flame, so as to minimize the influence of condensation of the gas to be detected on the measurement accuracy; the gas to be detected is collected according to the preset collection frequency and collection time, and the first concentration data of the total hydrocarbons in the gas to be detected is obtained based on the total hydrocarbon detection unit. After obtaining the first concentration data, the methane detection unit controls the methane splitter to separate the methane in the gas to be detected, and obtains the second concentration data of methane in the gas to be detected; according to the first concentration data and the second concentration data, the third concentration data of the non-methane total hydrocarbons in the gas to be detected is calculated, and the first concentration data, the second concentration data and the third concentration data are sent to the internal memory or the external storage device for storage, without the need for a very complicated detection process, and the accurate concentration data of the total hydrocarbons / methane / non-methane total hydrocarbons in the gas can be obtained in a short time after the environmental gas (gas to be detected) is collected. At the same time, the concentration data finally collected can be sent to the internal memory or the external storage device for storage, which is convenient for users to call and generate reports and charts later.

[0073] Embodiment 2:

[0074] On the basis of the above-mentioned embodiment 1, controlling the high temperature hydrogen flame ionization detector to ignite the flame includes:

[0075] The heating pipeline is controlled to be maintained at a second preset temperature, and a compensation gas is filled into the gas combustion measurement chamber.

[0076] In this embodiment, the second preset temperature is 191°C.

[0077] Beneficial effects of the above embodiments: Model 3010 (3010 portable total hydrocarbon / methane / non-methane total hydrocarbon analyzer) in the present invention adopts a high temperature of 191°C for sampling throughout the process, and at the same time, a compensating gas is filled into the gas combustion measurement chamber, which can prevent the condensation of the gas to be detected at the back pressure regulator and ensure the full combustion of organic matter in the gas to be detected, so as to obtain more accurate total hydrocarbon / methane / non-methane total hydrocarbon concentration data.

[0078] Embodiment 3:

[0079] On the basis of the above-mentioned embodiment 2, the compensation gas is filled into the gas combustion measurement chamber, including:

[0080] Collect the air in the current environment;

[0081] Passing the air into a built-in heating catalytic air purifier to decarbonize the air to obtain combustion-supporting air free of organic matter;

[0082] The combustion-supporting air is used as supplementary gas and introduced into the gas combustion measurement chamber.

[0083] The beneficial effects of the above embodiments: the present invention uses a built-in heating catalytic air purifier to decarbonize the air to obtain a combustion-supporting gas that does not contain the components to be detected, thereby avoiding the problem that the instrument is additionally equipped with a combustion-supporting gas, which causes cumbersome operation and high subsequent use costs.

[0084] Embodiment 4:

[0085] On the basis of the above-mentioned embodiment 3, the combustion-supporting air is used as a supplementary gas and introduced into the gas combustion measurement chamber, including:

[0086] Acquire first air intake data corresponding to the gas to be detected;

[0087] Based on the first air intake data and in combination with a supplementary gas charging reference table, a gas charging strategy for the supplementary gas is generated;

[0088] According to the gas charging strategy, supplementary gas is introduced into the gas combustion measurement chamber.

[0089] In this embodiment, the first air intake data refers to the collected amount of the gas to be detected and the air intake speed during the collection process.

[0090] In this embodiment, the gas filling strategy refers to the filling strategy of the supplementary gas. The intake speed and intake volume of the supplementary gas will change according to the intake speed change of the gas to be detected to ensure that the detection gas can completely enter the gas combustion chamber and be fully burned.

[0091] The beneficial effects of the above embodiments are as follows: the present invention obtains first air intake data corresponding to the gas to be detected; based on the first air intake data and in combination with a reference table for filling supplementary gas, a gas filling strategy for supplementary gas is generated; according to the gas filling strategy, supplementary gas is introduced into the gas combustion measurement chamber to avoid excessive filling of combustion-supporting gas to interfere with the high-temperature hydrogen flame combustion while ensuring that the detection gas can all enter the gas combustion chamber and be fully burned, thereby obtaining more accurate total hydrocarbon / methane / non-methane total hydrocarbon concentration data.

[0092] Embodiment 5:

[0093] Based on the above-mentioned embodiment 4, a reference list for supplementary gas charging is established, including:

[0094] Obtain historical combustion data of Model 3010, determine the second air intake data of each historical sample gas to be detected and the corresponding charging data of the supplementary gas based on the historical combustion data, and establish multiple data pairs;

[0095] The second air intake data includes the total amount of historical sample air intake to be tested and the air intake flow rate; the charging data includes the total amount of supplementary gas and the supplementary flow rate;

[0096] Based on data pairing, draw the historical image of the intake change of the sample gas to be detected and the corresponding image of the filling change of the supplementary gas to obtain multiple groups of change comparison diagrams;

[0097] Performing a first mark on a first change node on a historical gas intake change image of the sample gas to be detected in the change comparison diagram, and performing a second mark on a second change node on a supplementary gas charging change image;

[0098] Based on the time correspondence of the change comparison graph, the first change node and the second change node are matched to obtain a pairing node, and the gas change correspondence is determined;

[0099] According to the corresponding relationship of the historical gas changes corresponding to the multiple paired nodes, the filling flow rate of the supplementary gas corresponding to the sample gas with the same flow rate is determined to generate a gas flow rate relationship;

[0100] Based on the gas flow rate relationship, a supplementary gas charging reference table is established.

[0101] In this embodiment, the historical combustion data refers to the combustion data of the detection process of the gas to be detected recorded by Model 3010, including the total amount of historical intake of the sample gas to be detected and the changes in the intake flow rate, as well as the changes in the amount of supplementary gas charged and its supplementary flow rate during the historical combustion process of the sample gas to be detected.

[0102] In this embodiment, data pairing means that the second air intake data and the air filling data corresponding to the same historical sample gas to be detected are a data pair.

[0103] In this embodiment, the historical intake change image of the sample gas to be detected refers to a change curve image with time as the horizontal coordinate and the intake flow rate of the historical sample gas to be detected as the vertical coordinate, wherein the area of ​​the figure enclosed by the curve and the coordinate axis is the total intake volume of the historical sample gas to be detected.

[0104] In this embodiment, the supplementary gas inflation change image refers to a change curve image with time as the horizontal coordinate and the supplementary flow rate of the supplementary gas corresponding to the historical sample gas to be detected as the vertical coordinate, wherein the area of ​​the figure enclosed by the curve and the coordinate axis is the total amount of supplementary gas.

[0105] In this embodiment, the first change node refers to a node where the intake flow rate changes on the historical intake change image of the sample gas to be detected; the second change node refers to a node where the supplementary flow rate of the supplementary gas changes.

[0106] In this embodiment, the change comparison diagram refers to a set of comparison diagrams including historical intake change images of the sample gas to be detected and corresponding filling change images of the supplementary gas.

[0107] In this embodiment, the paired node refers to a first change node and a second change node with the same corresponding time as a paired node.

[0108] In this embodiment, the gas change correspondence relationship means that the flow rate of the supplementary gas changes corresponding to the historical flow rate change of the gas to be detected. For example, if the historical flow rate of the gas to be detected increases, the supplementary flow rate of the supplementary gas also increases.

[0109] In this embodiment, the gas flow rate relationship refers to the corresponding relationship between the flow rate of the gas to be detected in history and the supplementary flow rate of the supplementary gas.

[0110] The beneficial effects of the above embodiments: the present invention determines the historical gas to be detected, the second air intake data and its charging data based on the historical combustion data, establishes data pairing, generates a corresponding change comparison diagram, and then obtains the pairing nodes based on the corresponding relationship of the node changes in the change comparison diagram, determines the gas change correspondence, determines the charging flow rate of the supplementary gas corresponding to the same flow rate sample gas based on the historical gas change correspondence corresponding to multiple pairing nodes, and generates a gas flow rate relationship; based on the gas flow rate relationship, establishes a supplementary gas charging reference table to provide a reference basis for the automatic replenishment of the supplementary gas, thereby ensuring that the gas to be detected is fully burned without interfering with the combustion of the high-temperature hydrogen flame.

[0111] Embodiment 6:

[0112] Based on the above embodiment 1, step 2, as Figure 2 As shown, including:

[0113] Step 201: After the gas to be detected is collected, the gas to be detected is burned with a high-temperature hydrogen flame based on the total hydrocarbon detection unit to obtain chemical ions and generate an ion flow;

[0114] Step 202: performing high-impedance amplification on the ion flow to obtain a first electrical signal generated by the combustion of total hydrocarbon organic matter;

[0115] Step 203: obtaining the magnitude of the first electrical signal, and determining the total hydrocarbon content corresponding to the first electrical signal based on a preset correlation relationship between the organic compound content and the electrical signal;

[0116] Step 204: Based on the inlet flow rate of the gas to be detected and the total hydrocarbon content, determine the total hydrocarbon concentration in the sample gas and generate first concentration data.

[0117] In this embodiment, the first electrical signal refers to a current signal generated by directly performing a combustion process on the gas to be detected.

[0118] In this embodiment, the organic compound content-electrical signal refers to the corresponding relationship between the organic compound content and the size of the electric signal.

[0119] The beneficial effects of the above embodiments are as follows: after collecting the gas to be detected, the present invention immediately performs high-temperature hydrogen flame combustion on the gas to be detected based on the total hydrocarbon detection unit, collects the first electrical signal generated by the combustion of total hydrocarbon organic matter, and determines the total hydrocarbon content corresponding to the first electrical signal based on a preset organic compound content-electrical signal correlation relationship, and determines the total hydrocarbon concentration in the sample gas based on the inlet flow rate of the gas to be detected and the total hydrocarbon content, thereby improving the detection efficiency of the total hydrocarbon organic matter content, and accurate detection data can be obtained by immediate collection.

[0120] Embodiment 7:

[0121] Based on the above embodiment 1, step 3, as Figure 3 As shown, including:

[0122] Step 301: The methane detection unit controls the methane splitter to separate the methane from the gas to be detected to obtain methane gas, and burns the methane gas with a high-temperature hydrogen flame to obtain chemical ions and generate an ion flow;

[0123] Step 302: performing high-resistance amplification on the ion flow to obtain a second electrical signal generated by the combustion of total hydrocarbon organic matter;

[0124] Step 303: obtaining the magnitude of the second electrical signal, and determining the methane content corresponding to the second electrical signal based on a preset correlation relationship between the organic compound content and the electrical signal;

[0125] Step 304: Based on the inlet flow rate of the gas to be detected and the methane content, determine the methane concentration in the sample gas and generate second concentration data.

[0126] In this embodiment, methane separation refers to performing oxidation-reduction on non-methane total hydrocarbons in the gas to be detected by a methane splitter to retain only the methane component.

[0127] In this embodiment, the second electrical signal refers to a current signal generated after the methane gas remaining only after the gas to be detected is processed is burned.

[0128] The beneficial effects of the above embodiments are as follows: after collecting the gas to be detected, the present invention uses a methane detection unit to separate the methane from the gas to be detected and then performs high-temperature hydrogen flame combustion, collects the second electrical signal generated by the methane combustion and determines the total hydrocarbon content corresponding to the second electrical signal based on a preset organic compound content-electrical signal correlation relationship, determines the methane concentration in the sample gas based on the inlet flow rate of the gas to be detected and the methane content, thereby improving the detection efficiency of the methane content and enabling accurate detection data to be obtained immediately.

[0129] Embodiment 8:

[0130] Based on the above embodiment 1, step 4, as Figure 4 As shown, including:

[0131] Step 401: Record the first concentration data and the second concentration data to generate a sub-monitoring data table;

[0132] Step 402: Obtain the difference between the first concentration data and the second concentration data to obtain third concentration data of non-methane total hydrocarbons in the gas to be detected, and fill it into the corresponding position of the sub-monitoring data table;

[0133] Step 403: Update and store the monitoring data table based on the sub-monitoring data table.

[0134] The monitoring data sheet is transmitted via an interface connected to a computer or mobile device.

[0135] In this embodiment, the sub-monitoring data table refers to a temporary data table used by the instrument to record the current test data, which can only record the test results once. When the data in the table is sent to the monitoring data table, the data is automatically cleared. The number of filled items in the sub-monitoring data table can be automatically matched according to the set test components.

[0136] In this embodiment, the monitoring data table is a data list containing all concentration data within all preset detection times for final storage.

[0137] The beneficial effects of the above embodiments are as follows: the present invention records the first concentration data and the second concentration data, generates a sub-monitoring data table, and is convenient for recording the current detection data; obtains the difference between the first concentration data and the second concentration data, obtains the third concentration data of non-methane total hydrocarbons in the gas to be detected, fills it into the corresponding position of the sub-monitoring data table, and regards multiple concentration data at the same time as a whole data. After the data in the sub-monitoring data table is complete, it will be sent to the corresponding monitoring data table for update and storage, thereby reducing the number of times the monitoring data table data is received, avoiding data confusion, and ensuring the accuracy and consistency of data records.

[0138] Embodiment 9:

[0139] Based on the above-mentioned embodiment 8, the monitoring data table is updated and stored based on the sub-monitoring data table, including:

[0140] Obtain a first table header item name corresponding to the monitoring data table and a second table header item name corresponding to the sub-monitoring data table, and correspond the first table header item name with the second table header item name to obtain a first correspondence relationship;

[0141] Based on the first corresponding relationship, determine a second corresponding relationship between the first table header item name and each data filling cell of the sub-monitoring data table, and establish a table link relationship according to the second corresponding relationship;

[0142] Get the current data of the monitoring data table and determine the latest blank row;

[0143] Based on the table link relationship, fill the data in the sub-monitoring data table into the blank column corresponding to the latest blank row;

[0144] When all the tests on the gases to be detected are completed, the sub-monitoring data table generates a link disconnection signal, eliminates the table link relationship, and archives the monitoring data table.

[0145] In this embodiment, the first header item name refers to the names corresponding to all items included in the header of the monitoring data table; the second header item name refers to the names corresponding to all items included in the header of the sub-monitoring data table.

[0146] In this embodiment, the first correspondence refers to the correspondence between the first header item name and the second header item name; the second correspondence refers to the correspondence between the first header item name corresponding to the monitoring data table and the data filling cells under each second header item name in the sub-monitoring data table.

[0147] In this embodiment, the table link relationship refers to a link relationship for directly sending data established according to the second corresponding relationship.

[0148] In this embodiment, the latest blank row refers to the blank row in the monitoring data table that is closest to the row currently filled with data.

[0149] In this embodiment, the link disconnection signal refers to a signal that eliminates the table link relationship, and also indicates that the current environmental gas detection is completed.

[0150] Beneficial effects of the above embodiments: The present invention obtains the first header item name corresponding to the monitoring data table, and the second header item name corresponding to the sub-monitoring data table, and corresponds the first header item name to the second header item name to obtain a first corresponding relationship; based on the first corresponding relationship, the second corresponding relationship between the first header item name and each data filling grid of the sub-monitoring data table is determined, and according to the second corresponding relationship, a table link relationship is established, which provides a basis for the accurate transmission and quasi-filling of the sub-monitoring data table and the monitoring data table data, and saves data dislocation during the overall data transmission process; obtains the current data of the monitoring data table, and determines the latest blank row; based on the table link relationship, fills the data in the sub-monitoring data table into the blank column corresponding to the latest blank row; when all the detections of the gas to be detected are completed, the sub-monitoring data table generates a link disconnection signal, eliminates the table link relationship, and archives and stores the monitoring data table. It is ensured that the table link relationship is technically eliminated after all the detections of the gas to be detected are completed, which ensures the safety of data storage and also sends a detection completion signal to the storage device, which is convenient for the storage device to end the data termination task.

[0151] Embodiment 10:

[0152] Based on the above-mentioned embodiment 8, a sub-monitoring data table is generated, including:

[0153] Determine the total number of current data record items and the order of item records, and determine the final record items based on the order of item records;

[0154] Generate a data sending pointer based on the monitoring data table, and add the data sending pointer to the data filling grid corresponding to the final record item;

[0155] When data is filled into the data filling grid corresponding to the final record item, the data sending pointer is triggered, and the sub-monitoring data table sends all the data to the monitoring data table.

[0156] In this embodiment, the order of item recording is determined according to the detection order.

[0157] In this embodiment, the final recorded item refers to the last recorded item in the sub-monitoring data table.

[0158] In this embodiment, the data sending pointer refers to a pointer including the address of the monitoring data table.

[0159] The beneficial effects of the above embodiments are as follows: determining the total number of current data record items and the order of item records, and determining the final record items based on the item records; generating a data sending pointer based on the monitoring data table, and adding the data sending pointer to the data filling cell corresponding to the final record item, thereby ensuring that the detection data can be sent to the monitoring data table quickly and accurately; when data is filled into the data filling cell corresponding to the final record item, the data sending pointer is triggered, and the sub-monitoring data table sends all data to the monitoring data table, thereby improving data transmission efficiency.

[0160] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A Model 3010 data acquisition method, characterized in that: include: Step 1: Collect the preheating temperature of the gas combustion measurement chamber and the heating pipeline. When the preheating temperature reaches the first preset temperature, send a sample gas collection signal and control the high-temperature hydrogen flame ionization detector to ignite the flame; Create a supplemental gas charging reference list including: Obtain historical combustion data of Model 3010, determine the second air intake data of each historical sample gas to be detected and the corresponding charging data of the supplementary gas based on the historical combustion data, and establish multiple data pairs; The second air intake data includes the total amount of historical sample air intake to be tested and the air intake flow rate; the charging data includes the total amount of supplementary gas and the supplementary flow rate; Based on data pairing, draw the historical image of the intake change of the sample gas to be detected and the corresponding image of the filling change of the supplementary gas to obtain multiple groups of change comparison diagrams; Performing a first mark on a first change node on a historical gas intake change image of the sample gas to be detected in the change comparison diagram, and performing a second mark on a second change node on a supplementary gas charging change image; Based on the time correspondence of the change comparison graph, the first change node and the second change node are matched to obtain a pairing node, and the gas change correspondence is determined; According to the corresponding relationship of the historical gas changes corresponding to the multiple paired nodes, the filling flow rate of the supplementary gas corresponding to the sample gas with the same flow rate is determined to generate a gas flow rate relationship; Based on the corresponding relationship between gas changes and gas flow rates, a reference table for supplementary gas filling is established; Step 2: Collect the gas to be detected according to the preset collection frequency and collection time, and obtain first concentration data of total hydrocarbons in the gas to be detected based on the total hydrocarbon detection unit; Step 3: The methane detection unit controls the methane splitter to separate methane from the gas to be detected, and obtains second concentration data of methane in the gas to be detected; Step 4: Calculate the third concentration data of non-methane total hydrocarbons in the gas to be detected based on the first concentration data and the second concentration data, and send the first concentration data, the second concentration data and the third concentration data to the internal memory or the external storage device for storage.

2. A Model 3010 data acquisition method according to claim 1, characterized in that: Controlling the ignition flame of a high temperature hydrogen flame ionization detector includes: The heating pipeline is controlled to be maintained at a second preset temperature, and a compensation gas is filled into the gas combustion measurement chamber.

3. A Model 3010 data acquisition method according to claim 2, characterized in that: Filling the gas combustion measurement chamber with compensation gas, including: Collect the air in the current environment; Passing the air into a built-in heating catalytic air purifier to decarbonize the air to obtain combustion-supporting air free of organic matter; The combustion-supporting air is used as supplementary gas and introduced into the gas combustion measurement chamber.

4. A Model 3010 data acquisition method according to claim 3, characterized in that: The combustion-supporting air is used as supplementary gas and introduced into the gas combustion measurement chamber, including: Acquire first air intake data corresponding to the gas to be detected; Based on the first air intake data and in combination with a supplementary gas charging reference table, a gas charging strategy for the supplementary gas is generated; According to the gas charging strategy, supplementary gas is introduced into the gas combustion measurement chamber.

5. A Model 3010 data acquisition method according to claim 1, characterized in that: Step 2 includes: After the gas to be detected is collected, the gas to be detected is burned with a high-temperature hydrogen flame based on the total hydrocarbon detection unit to obtain chemical ions and generate ion flow; Performing high-resistance amplification on the ion flow to obtain a first electrical signal generated by the combustion of total hydrocarbon organic matter; Obtaining the magnitude of the first electrical signal, and determining the total hydrocarbon content corresponding to the first electrical signal based on a preset correlation relationship between the organic compound content and the electrical signal; Based on the inlet flow rate of the gas to be detected and the total hydrocarbon content, the total hydrocarbon concentration in the sample gas is determined to generate first concentration data.

6. A Model 3010 data acquisition method according to claim 1, characterized in that: Step 3 includes: The methane detection unit controls the methane splitter to separate the methane from the gas to be detected, obtains methane gas, and burns the methane gas with a high-temperature hydrogen flame to obtain chemical ions and generate ion flow; Performing high-resistance amplification on the ion flow to obtain a second electrical signal generated by the combustion of total hydrocarbon organic matter; Obtaining the magnitude of the second electrical signal, and determining the methane content corresponding to the second electrical signal based on a preset correlation relationship between the organic compound content and the electrical signal; Based on the inlet flow rate of the gas to be detected and the methane content, the methane concentration in the sample gas is determined to generate second concentration data.

7. A Model 3010 data acquisition method according to claim 1, characterized in that: Step 4 includes: Record the first concentration data and the second concentration data to generate a sub-monitoring data table; Obtain the difference between the first concentration data and the second concentration data to obtain third concentration data of non-methane total hydrocarbons in the gas to be detected, and fill it into the corresponding position of the sub-monitoring data table; The monitoring data table is updated and stored based on the sub-monitoring data table.

8. A Model 3010 data acquisition method according to claim 7, characterized in that: The monitoring data table is updated and stored based on the sub-monitoring data table, including: Obtain a first table header item name corresponding to the monitoring data table and a second table header item name corresponding to the sub-monitoring data table, and correspond the first table header item name with the second table header item name to obtain a first correspondence relationship; Based on the first corresponding relationship, determine a second corresponding relationship between the first table header item name and each data filling cell of the sub-monitoring data table, and establish a table link relationship according to the second corresponding relationship; Get the current data of the monitoring data table and determine the latest blank row; Based on the table link relationship, fill the data in the sub-monitoring data table into the blank column corresponding to the latest blank row; When all the tests on the gases to be detected are completed, the sub-monitoring data table generates a link disconnection signal, eliminates the table link relationship, and archives the monitoring data table.

9. A Model 3010 data acquisition method according to claim 7, characterized in that: Generate sub-monitoring data tables, including: Determine the total number of current data record items and the order of item records, and determine the final record items based on the item records; Generate a data sending pointer based on the monitoring data table, and add the data sending pointer to the data filling grid corresponding to the final record item; When data is filled into the data filling grid corresponding to the final record item, the data sending pointer is triggered, and the sub-monitoring data table sends all the data to the monitoring data table.

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