Monitoring system for gas leakage

Abstract

The invention discloses a monitoring system for gas leakage, and relates to the technical field of monitoring analysis, and the monitoring system comprises an information monitoring module which is used for monitoring gas concentration information and environment information corresponding to each key position in a target area in real time; the information processing module is used for analyzing the gas concentration information and the environment information corresponding to each key position in the target area, and determining a gas assessment risk coefficient corresponding to each key position in the target area according to an analysis processing result; the information comparison module is used for comparing the gas assessment risk coefficient corresponding to each key position of the target area with a preset risk threshold interval, and judging whether gas leakage exists in the target area or not according to a comparison result; the early warning module is used for formulating an early warning strategy for the target area according to a judgment result and responding to the early warning strategy; and the pre-estimation module is used for pre-estimating the propagation condition of gas leakage in the target area and outputting a pre-warning signal to a worker. The method has the effect of reducing potential safety hazards.

Description

Technical Field

[0001] The present application relates to the field of monitoring and analysis technology, and in particular to a monitoring system for gas leakage. Background Art

[0002] In coal mining, gas leakage is a major hidden danger in coal mine safety production. Once the leakage is not discovered and handled in time, it may lead to serious gas explosion accidents. Gas explosion is the most serious disaster in coal mines. It is highly destructive and sudden, and often causes a large number of casualties and property losses. In the process of handling gas explosion accidents, if the handling method is inappropriate and the key points are not grasped correctly, multiple gas explosions may occur, causing the accident to expand.

[0003] In the related technologies, the traditional gas leakage monitoring system has problems such as untimely monitoring and inaccurate early warning, which leads to certain safety hazards and needs to be improved. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present application provides a monitoring system for gas leakage.

[0005] In a first aspect, the present application provides a gas leakage monitoring system, which adopts the following technical solution: A monitoring system for gas leakage, comprising: Information monitoring module, used to monitor the gas concentration information and environmental information corresponding to each key location in the target area in real time; An information processing module is used to analyze and process the gas concentration information and environmental information corresponding to each key position in the target area, and confirm the gas assessment risk coefficient corresponding to each key position in the target area according to the results of the analysis and processing; The information comparison module is used to compare the gas assessment risk coefficient corresponding to each key position in the target area with the preset risk threshold interval, and determine whether there is a gas leak in the target area based on the comparison results; An early warning module is used to formulate an early warning strategy for the target area according to the judgment result and respond to the early warning strategy; The prediction module is used to predict the spread of gas leakage in the target area and output early warning signals to the staff.

[0006] Preferably, the environmental information corresponding to each key position includes temperature information, humidity information, wind speed information and wind direction information.

[0007] Preferably, the gas concentration information and environmental information corresponding to each key position in the target area are analyzed and processed, specifically including: Confirm the environmental information corresponding to each key location in the target area, and extract the temperature value corresponding to each key location from the environmental information and humidity value ,in, It is represented by the number corresponding to each key position. ; By formula , confirm the environmental impact coefficients corresponding to each key location in the target area ; in, They are respectively represented as predefined temperature influence function and humidity influence function, Respectively represent the preset reference temperature value and reference humidity value. They are respectively represented as preset correction coefficients.

[0008] Specifically, It can be acquired by fitting based on historical acquisition.

[0009] Preferably, the gas assessment risk coefficient corresponding to each key position in the target area is determined, specifically including: Obtain the gas concentration information corresponding to each key position in the target area, and confirm the initial gas concentration corresponding to each key position based on the gas concentration information corresponding to each key position in the target area , and by the formula , calculate the actual gas concentration corresponding to each key position in the target area ; By formula , confirm the gas assessment risk coefficient corresponding to each key location in the target area ,in, It is expressed as the standard gas concentration corresponding to each key position in the target area. It is expressed as the correction factor of the gas assessment risk factor at each key location in the target area.

[0010] Preferably, the gas assessment risk coefficient corresponding to each key position in the target area is compared with a preset risk threshold interval, and whether there is a gas leak in the target area is determined according to the comparison result, specifically including: The gas risk assessment coefficients corresponding to key locations in the target area are The preset risk threshold For comparison, Represented as the preset first risk threshold, It is represented as a preset second risk threshold; If the gas risk assessment coefficients corresponding to the key locations in the target area are All less than , it is determined that there is no gas leakage in the target area, and there is no need to formulate an early warning strategy; If there are gas risk factors corresponding to key locations in the target area In If the gas leakage is between 0.01 and 0.08, it is determined that there is gas leakage in the target area and the first-level early warning measures need to be formulated; If there are gas risk factors corresponding to key locations in the target area Greater than , it is determined that there is gas leakage in the target area and secondary early warning measures need to be formulated.

[0011] Preferably, after confirming the gas assessment risk coefficient corresponding to each key position in the target area, the method further includes: Obtain the gas assessment risk coefficient corresponding to each key location in the target area , and establish a real-time change curve of the gas assessment risk factor at each key location in the target area ; By formula , confirm the change coefficient of gas risk assessment factor at each key location in the target area ; in, Expressed as a defined function, They are respectively represented as the maximum and minimum values ​​corresponding to the gas assessment risk coefficient, where: It can be obtained by fitting historical data; The change coefficient of gas risk assessment factor at each key location in the target area The preset change threshold Make a comparison; If there is a change coefficient of the gas assessment risk factor at a critical location , it is determined that the risk value of the key location in the future period of time increases, and an early warning signal is output to the staff; otherwise, it is determined that the risk value of the key location in the future period of time decreases.

[0012] Preferably, estimating the propagation of gas leakage in the target area specifically includes: Confirm the positional relationship between key positions in the target area, and obtain the wind speed and wind direction information corresponding to key positions in the target area; Acquire a key position in the target area where the gas assessment risk coefficient is greater than a first risk threshold, and set the key position as an abnormal position; Based on the wind speed information, wind direction information and position relationship corresponding to each key position in the target area, an early warning signal is output to the key position adjacent to the abnormal position.

[0013] In a second aspect, the present application provides a method for monitoring gas leakage, which adopts the following technical solution: A method for monitoring gas leakage comprises the following steps: Real-time monitoring of gas concentration and environmental information corresponding to key locations in the target area; Analyze and process the gas concentration information and environmental information corresponding to each key location in the target area, and confirm the gas assessment risk coefficient corresponding to each key location in the target area based on the results of the analysis and processing; Compare the gas assessment risk coefficient corresponding to each key location in the target area with the preset risk threshold range, and determine whether there is gas leakage in the target area based on the comparison results; According to the judgment result, formulate early warning strategies for the target areas and respond to the early warning strategies; Estimate the spread of gas leakage in the target area and output early warning signals to staff.

[0014] In a third aspect, the present application provides a computer-readable storage medium storing instructions, which, when executed on a computer, enables the computer to execute any one of the above-described gas leakage monitoring systems.

[0015] In summary, the present application includes at least one of the following beneficial technical effects: 1. The present invention provides a monitoring system for gas leakage, which analyzes and processes the gas concentration information and environmental information corresponding to each key position in the target area, and confirms the gas assessment risk coefficient corresponding to each key position in the target area according to the analysis and processing results, and then compares the gas assessment risk coefficient corresponding to each key position with a preset risk threshold interval, and judges whether there is a gas leakage in the target area according to the comparison result, and formulates an early warning strategy for the target area according to the judgment result, and then effectively warns of the gas leakage, thereby effectively reducing the occurrence of safety hazards in the target area; 2. By confirming the change coefficient of the gas assessment risk factor of each key position in the target area, and comparing the change coefficient of the gas assessment risk factor of each key position in the target area with the preset change threshold, the change of the risk value of each key position in the target area in the future period of time can be confirmed, so as to effectively warn of gas leakage in the target area, thereby effectively reducing the safety hazards in the target area and effectively avoiding threats to the personal safety of staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of a gas leakage monitoring system according to an embodiment of the present application.

[0018] Figure 2 It is a flow chart of a method for monitoring gas leakage in an embodiment of the present application. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-2 This application is described in further detail.

[0020] Example 1 The embodiment of the present application discloses a monitoring system for gas leakage.

[0021] Reference Figure 1 , a gas leakage monitoring system, comprising: Information monitoring module, used to monitor the gas concentration information and environmental information corresponding to each key location in the target area in real time; An information processing module is used to analyze and process the gas concentration information and environmental information corresponding to each key position in the target area, and confirm the gas assessment risk coefficient corresponding to each key position in the target area according to the results of the analysis and processing; The information comparison module is used to compare the gas assessment risk coefficient corresponding to each key position in the target area with the preset risk threshold interval, and determine whether there is a gas leak in the target area based on the comparison results; An early warning module is used to formulate an early warning strategy for the target area according to the judgment result and respond to the early warning strategy; The prediction module is used to predict the spread of gas leakage in the target area and output early warning signals to the staff.

[0022] Through the above technical scheme, the gas concentration information and environmental information corresponding to each key position in the target area are analyzed and processed, and the gas assessment risk coefficient corresponding to each key position in the target area is confirmed according to the results of the analysis and processing, and then the gas assessment risk coefficient corresponding to each key position is compared with the preset risk threshold interval, and it is judged whether there is a gas leakage in the target area according to the comparison result, and according to the result of the judgment, an early warning strategy is formulated for the target area, and then an effective early warning of gas leakage is issued, thereby effectively reducing the occurrence of safety hazards in the target area.

[0023] Furthermore, the environmental information corresponding to each key position includes temperature information, humidity information, wind speed information and wind direction information.

[0024] Specifically, the key positions in the target area include but are not limited to important positions such as the front edge of the working surface, the rear edge of the working surface, the air inlet or the return air outlet.

[0025] It should be noted that the gas concentration information and environmental information corresponding to each key location in the target area are analyzed and processed, including: Confirm the environmental information corresponding to each key location in the target area, and extract the temperature value corresponding to each key location from the environmental information and humidity value ,in, It is represented by the number corresponding to each key position. ; By formula , confirm the environmental impact coefficients corresponding to each key location in the target area ; in, They are respectively represented as predefined temperature influence function and humidity influence function, Respectively represent the preset reference temperature value and reference humidity value. They are respectively represented as preset correction coefficients.

[0026] Specifically, the temperature and humidity corresponding to each key position in the target area have a significant impact on the monitoring accuracy of the gas sensor, and then through the formula , confirm the environmental impact coefficient corresponding to each key position in the target area, and correct the gas concentration corresponding to each key position according to the environmental impact coefficient corresponding to each key position in the target area, thereby improving the accuracy of gas concentration measurement.

[0027] It should be noted that the gas assessment risk factors corresponding to each key location in the target area are identified, including: Obtain the gas concentration information corresponding to each key position in the target area, and confirm the initial gas concentration corresponding to each key position based on the gas concentration information corresponding to each key position in the target area , and by the formula , calculate the actual gas concentration corresponding to each key position in the target area ; By formula , confirm the gas assessment risk coefficient corresponding to each key location in the target area ,in, It is expressed as the standard gas concentration corresponding to each key position in the target area. It is expressed as the correction factor of the gas assessment risk factor at each key location in the target area.

[0028] Specifically, by calculating the actual gas concentration corresponding to each key location in the target area, potential dangers can be discovered in time and measures can be taken to prevent gas explosions or poisoning accidents, thereby protecting the lives of workers. The risk level of the target area can also be evaluated based on the actual gas concentration, helping management to formulate corresponding preventive measures and emergency plans.

[0029] Furthermore, the gas assessment risk coefficient corresponding to each key position in the target area is compared with the preset risk threshold interval, and whether there is a gas leak in the target area is determined based on the comparison result, specifically including: The gas risk assessment coefficients corresponding to key locations in the target area are The preset risk threshold For comparison, Represented as the preset first risk threshold, It is represented as a preset second risk threshold; If the gas risk assessment coefficients corresponding to the key locations in the target area are All less than , it is determined that there is no gas leakage in the target area, and there is no need to formulate an early warning strategy; If there are gas risk factors corresponding to key locations in the target area In If the gas leakage is between 0.01 and 0.08, it is determined that there is gas leakage in the target area and the first-level early warning measures need to be formulated; If there are gas risk factors corresponding to key locations in the target area Greater than , it is determined that there is gas leakage in the target area and secondary early warning measures need to be formulated.

[0030] Specifically, when there is a gas assessment risk coefficient corresponding to a key location in the target area In When the fire is in the range of 1000 km / h, the first-level warning measures shall be responded, which include but are not limited to stopping the fire source, forced ventilation, increasing the gas extraction volume or increasing water mist spraying; If there are gas risk factors corresponding to key locations in the target area Greater than , it is determined that the gas concentration exceeds the standard and may cause a gas explosion, which requires a secondary warning measure. The secondary warning measures include but are not limited to prohibiting all fire sources, stopping all operations or evacuating staff.

[0031] It should be noted that after confirming the gas risk factors corresponding to each key location in the target area, it also includes: Obtain the gas assessment risk coefficient corresponding to each key location in the target area , and establish a real-time change curve of the gas assessment risk factor at each key location in the target area ; By formula , confirm the change coefficient of gas risk assessment factor at each key location in the target area ; in, Expressed as a defined function, They are respectively represented as the maximum and minimum values ​​corresponding to the gas assessment risk coefficient; The change coefficient of gas risk assessment factor at each key location in the target area The preset change threshold Make a comparison; If there is a change coefficient of the gas assessment risk factor at a critical location , it is determined that the risk value of the key location in the future period of time increases, and an early warning signal is output to the staff; otherwise, it is determined that the risk value of the key location in the future period of time decreases.

[0032] Through the above technical scheme, by confirming the change coefficient of the gas assessment risk factor of each key position in the target area, and comparing the change coefficient of the gas assessment risk factor of each key position in the target area with the preset change threshold, the change of the risk value of each key position in the target area in the future period of time is confirmed, so as to effectively warn of gas leakage in the target area, thereby effectively reducing the safety hazards in the target area, thereby effectively avoiding threats to the personal safety of staff.

[0033] Furthermore, the propagation of gas leakage in the target area is estimated, including: Confirm the positional relationship between key positions in the target area, and obtain the wind speed and wind direction information corresponding to key positions in the target area; Acquire a key position in the target area where the gas assessment risk coefficient is greater than a first risk threshold, and set the key position as an abnormal position; Based on the wind speed information, wind direction information and position relationship corresponding to each key position in the target area, an early warning signal is output to the key position adjacent to the abnormal position.

[0034] Exemplarily, if position A is adjacent to positions B, C, and D, when the gas assessment risk coefficient of position A is greater than the first risk threshold, position A is set as an abnormal position, and if the wind direction is where positions B and C are located, a first warning signal is output to the staff at positions B and C, and a second warning signal is output to the staff at position D. At the same time, a third warning signal is output to the location area not adjacent to position A, wherein the warning levels of the warning signals are from high to low as follows: the first warning signal is greater than the second warning signal, which is greater than the third warning signal.

[0035] Example 2 The embodiment of the present application also discloses a method for monitoring gas leakage.

[0036] Reference Figure 2 A method for monitoring gas leakage comprises the following steps: Real-time monitoring of gas concentration and environmental information corresponding to key locations in the target area; Analyze and process the gas concentration information and environmental information corresponding to each key location in the target area, and confirm the gas assessment risk coefficient corresponding to each key location in the target area based on the results of the analysis and processing; Compare the gas assessment risk coefficient corresponding to each key location in the target area with the preset risk threshold range, and determine whether there is gas leakage in the target area based on the comparison results; According to the judgment result, formulate early warning strategies for the target areas and respond to the early warning strategies; Estimate the spread of gas leakage in the target area and output early warning signals to staff.

[0037] The above contents are merely examples and explanations of the concept of the present invention. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the concept of the invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A gas leakage monitoring system, characterized in that: include: Information monitoring module, used to monitor the gas concentration information and environmental information corresponding to each key location in the target area in real time; An information processing module is used to analyze and process the gas concentration information and environmental information corresponding to each key position in the target area, and confirm the gas assessment risk coefficient corresponding to each key position in the target area according to the results of the analysis and processing; The information comparison module is used to compare the gas assessment risk coefficient corresponding to each key position in the target area with the preset risk threshold interval, and determine whether there is a gas leak in the target area based on the comparison results; An early warning module is used to formulate an early warning strategy for the target area according to the judgment result and respond to the early warning strategy; The prediction module is used to predict the spread of gas leakage in the target area and output early warning signals to the staff.

2. A gas leakage monitoring system according to claim 1, characterized in that: The environmental information corresponding to each key position includes temperature information, humidity information, wind speed information and wind direction information.

3. A gas leakage monitoring system according to claim 2, characterized in that: Analyze and process the gas concentration information and environmental information corresponding to each key location in the target area, including: Confirm the environmental information corresponding to each key location in the target area, and extract the temperature value corresponding to each key location from the environmental information and humidity value ,in, It is represented by the number corresponding to each key position. ; By formula , confirm the environmental impact coefficients corresponding to each key location in the target area ; in, They are respectively represented as predefined temperature influence function and humidity influence function, Respectively represent the preset reference temperature value and reference humidity value. They are respectively represented as preset correction coefficients.

4. A gas leakage monitoring system according to claim 3, characterized in that: Identify the gas assessment risk factors corresponding to each key location in the target area, including: Obtain the gas concentration information corresponding to each key position in the target area, and confirm the initial gas concentration corresponding to each key position based on the gas concentration information corresponding to each key position in the target area , and by the formula , calculate the actual gas concentration corresponding to each key position in the target area ; By formula , confirm the gas assessment risk coefficient corresponding to each key location in the target area ,in, It is expressed as the standard gas concentration corresponding to each key position in the target area. It is expressed as the correction factor of the gas assessment risk factor at each key location in the target area.

5. A gas leakage monitoring system according to claim 4, characterized in that: Compare the gas assessment risk coefficients corresponding to key locations in the target area with the preset risk threshold intervals, and determine whether there is gas leakage in the target area based on the comparison results, including: The gas risk assessment coefficients corresponding to key locations in the target area are The preset risk threshold For comparison, Represented as the preset first risk threshold, It is represented as a preset second risk threshold; If the gas risk assessment coefficients corresponding to the key locations in the target area are All less than , it is determined that there is no gas leakage in the target area, and there is no need to formulate an early warning strategy; If there are gas risk factors corresponding to key locations in the target area In If the gas leakage is between 0.01 and 0.08, it is determined that there is gas leakage in the target area and the first-level early warning measures need to be formulated; If there are gas risk factors corresponding to key locations in the target area Greater than , it is determined that there is gas leakage in the target area and secondary early warning measures need to be formulated.

6. A gas leakage monitoring system according to claim 4, characterized in that: After confirming the gas risk factors corresponding to each key location in the target area, it also includes: Obtain the gas assessment risk coefficient corresponding to each key location in the target area , and establish a real-time change curve of the gas assessment risk factor at each key location in the target area ; By formula , confirm the change coefficient of gas risk assessment factor at each key location in the target area ; in, Expressed as a defined function, They are respectively represented as the maximum and minimum values ​​corresponding to the gas assessment risk coefficient; The change coefficient of gas risk assessment factor at each key location in the target area The preset change threshold Make a comparison; If there is a change coefficient of the gas assessment risk factor at a critical location , it is determined that the risk value of the key location in the future period of time increases, and an early warning signal is output to the staff; otherwise, it is determined that the risk value of the key location in the future period of time decreases.

7. A gas leakage monitoring system according to claim 1, characterized in that: Estimate the spread of gas leakage in the target area, including: Confirm the positional relationship between key positions in the target area, and obtain the wind speed and wind direction information corresponding to key positions in the target area; Acquire a key position in the target area where the gas assessment risk coefficient is greater than a first risk threshold, and set the key position as an abnormal position; Based on the wind speed information, wind direction information and position relationship corresponding to each key position in the target area, an early warning signal is output to the key position adjacent to the abnormal position.

8. A method for monitoring gas leakage, applied to a gas leakage monitoring system according to claims 1 to 7, characterized in that: The following steps are involved: Real-time monitoring of gas concentration and environmental information corresponding to key locations in the target area; Analyze and process the gas concentration information and environmental information corresponding to each key location in the target area, and confirm the gas assessment risk coefficient corresponding to each key location in the target area based on the results of the analysis and processing; Compare the gas assessment risk coefficient corresponding to each key location in the target area with the preset risk threshold range, and determine whether there is gas leakage in the target area based on the comparison results; According to the judgment result, formulate early warning strategies for the target areas and respond to the early warning strategies; Estimate the spread of gas leakage in the target area and output early warning signals to staff.

9. A computer-readable storage medium, characterized in that: Instructions are stored, and when the instructions are run on a computer, the computer is caused to execute a gas leakage monitoring system as claimed in any one of claims 1 to 7.

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