Coal mine gas detection system device and detection method thereof

Abstract

The invention provides a coal mine gas detection system device and a detection method thereof.The gas outlet end of a coal mine gas source in the system device is sequentially connected with a filtering module and an electrochemical gas detection module in the gas output direction, and the filtering module is used for conducting impurity filtering on gas input by the coal mine gas source; the electrochemical gas detection module is used for detecting gas input by a coal mine gas source to obtain corresponding gas components and concentration data, the bearing module is used for carrying the electrochemical gas detection module and the analysis control module to a working environment, and the analysis control module is used for analyzing the obtained gas components and concentration data; and an alarm signal is sent out when the detection data exceed the set parameters. Through the design of the system device, detection can be carried out first and then operation is carried out, the safety is high, the detection type and the detection accuracy of coal mine gas can be improved, the coal mine gas can be automatically detected, rapid and accurate gas analysis is achieved, and the stability is good.

Description

Technical Field

[0001] The invention belongs to the technical field of coal mine gas detection, and relates to a system device for coal mine gas detection and a detection method thereof. Background Art

[0002] Accidents occur frequently during coal mining, among which spontaneous combustion of coal is the main cause of disasters in the coal industry. It is of great significance to be able to quickly and accurately monitor coal mine gas, provide early warning of coal mine safety hazards, and reduce casualties and property losses caused by accidents.

[0003] The characteristic gases in coal mines are both catastrophic and early warning. The catastrophic gases are mainly methane, carbon monoxide and carbon dioxide. Early warning refers to the corresponding relationship between the concentration and rate of change of the gas and the accident. The early warning gases are mainly oxygen, nitrogen, ethane, propane, n-butane, ethylene, propylene, etc. Therefore, the types of characteristic gases of coal spontaneous combustion are oxygen, nitrogen, sulfur hexafluoride, carbon monoxide, carbon dioxide, methane, ethane, propane, n-butane, isobutane, ethylene, and propylene.

[0004] The prior art solution discloses a gas detection device for underground construction, including a gas detection module for detecting the content of harmful gases in the working environment and sending out a signal; and a control terminal, which receives and processes the detection data of the gas detection module and sends out an alarm signal when the detection data exceeds the set parameters.

[0005] The prior art solution discloses a harmful gas detection and early warning system for underground coal mines, including a controller and a detection and early warning device; the detection and early warning device is used to detect and alarm harmful gases in underground coal mines, and the detection and early warning device includes: a detection and early warning instrument, a gas detection device is placed inside the detection and early warning instrument; the gas detection device is used to detect harmful gases; one end of the detection and early warning instrument is a soft material; one end of the detection and early warning instrument close to the soft material is electrically connected to a vibrator; the vibrator is communicatively connected to a mine dispatching room; and a wearable belt is provided on both sides of the detection and early warning instrument.

[0006] However, the existing technology is prone to cross-interference when detecting gases with similar molecular structures, and is unable to accurately predict gas concentrations. In addition, when working in flammable and explosive environments, the absorption rate of the gas detector is very low, and quantitative analysis cannot be performed. Therefore, it is urgent to design and develop a system device and detection method for coal mine gas detection to overcome the shortcomings of the existing technology and meet practical application needs. Summary of the invention

[0007] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a system device for coal mine gas detection and a detection method thereof. In the present invention, through the specific design of the system device, detection can be performed before operation, which has high safety and is conducive to improving the detection types and detection accuracy of coal mine gas. It can also automatically detect coal mine gas, realize fast and accurate gas analysis, and has good stability.

[0008] To achieve this object, the present invention adopts the following technical solutions:

[0009] In a first aspect, the present invention provides a system device for coal mine gas detection, the system device comprising an electrochemical gas detection module, a filtering module, a carrying module and an analysis and control module; the gas outlet end of the coal mine gas source is connected to the filtering module and the electrochemical gas detection module in sequence along the direction of the output gas.

[0010] The filtering module is used to filter impurities from the gas input from the coal mine gas source.

[0011] The electrochemical gas detection module is used to detect the gas input from the coal mine gas source to obtain corresponding gas composition and concentration data.

[0012] The carrying module is provided with the electrochemical gas detection module and the analysis control module, and is used for carrying the electrochemical gas detection module and the analysis control module to reach the working environment.

[0013] The analysis control module is electrically connected to the electrochemical gas detection module, and is used to analyze the obtained gas composition and concentration data, and to send out an alarm signal when the detection data exceeds the set parameters.

[0014] In the present invention, through the specific design of the system device, detection can be performed before operation, which is highly safe and is conducive to improving the detection types and detection accuracy of coal mine gas. It can also automatically detect coal mine gas, achieve fast and accurate gas analysis, and has good stability.

[0015] It should be noted that the present invention detects the state information of coal mine air in real time through the coordinated setting of the filtering module and the electrochemical gas detection module, and determines whether the construction environment of the construction personnel is safe; when the state information of the coal mine air is abnormal, the analysis control module sends an alarm instruction to remind the construction personnel to ensure the operation safety of the construction personnel. It also remotely observes the activity trajectory information of the construction personnel in real time and sends an alarm signal to remind the construction personnel to pay attention to safety when the activity trajectory information of the construction personnel is abnormal, and uniformly manages the entire construction process, standardizes the operation process of the construction personnel, and makes the construction site standardized, standardized, and transparent, which can effectively curb the occurrence of personal accidents and ensure the life safety of the construction personnel.

[0016] It should be noted that the relative positional relationship between the electrochemical gas detection module and the analysis and control module on the carrier module is not particularly limited in the present invention, and those skilled in the art can make adaptive adjustments according to actual conditions. The two can be arranged on the same side or different sides of the carrier module while maintaining an electrical connection.

[0017] As a preferred technical solution of the present invention, the electrochemical gas detection module includes a shell and an electrochemical gas detector installed in the shell, the shell is provided with a gas detection window, the gas detection window is used to collect the gas around it, and the electrochemical gas detector is used to detect the gas collected by the gas detection window.

[0018] Preferably, the electrochemical gas detector comprises an oxygen sensor, a nitrogen sensor, a sulfur hexafluoride sensor, a carbon monoxide sensor and a carbon dioxide sensor.

[0019] It should be noted that the electrochemical gas detectors in the present invention include oxygen sensors, nitrogen sensors, sulfur hexafluoride sensors, carbon monoxide sensors and carbon dioxide sensors. This is because the use of different detection methods can solve the serious problems of infrared spectroscopy being unable to detect non-polar molecular gases and electrochemical sensor methods causing cross-interference in the detection of gases with similar molecular structures, which is beneficial to improving the types and accuracy of coal mine gas detection.

[0020] As a preferred technical solution of the present invention, the shell is a stainless steel shell.

[0021] It should be noted that the present invention adopts a stainless steel shell as a corrosion-resistant and durable material, which makes the overall structure more stable and improves the safety of underground construction workers.

[0022] As a preferred technical solution of the present invention, the housing is detachably connected to the carrier module via a connecting piece.

[0023] It should be noted that the specific method of detachable connection is not particularly limited in the present invention, and those skilled in the art can make adaptive adjustments according to actual conditions. Among them, the detachable connection can be achieved by hooks, buckles or bolts.

[0024] Preferably, the connecting member is any one of a hook, a buckle or a bolt.

[0025] It should be noted that the present invention does not specifically limit the specific models, sizes, and quantities of hooks, buckles, and bolts, and those skilled in the art may make adaptive adjustments based on actual conditions.

[0026] As a preferred technical solution of the present invention, the bearing module is a rod body.

[0027] As a preferred technical solution of the present invention, the rod body is pullable.

[0028] It should be noted that the present invention does not specifically limit the specific material and telescopic length of the rod, and those skilled in the art can make adaptive adjustments according to actual conditions. The rod can be made of stainless steel and can be moved in a sliding and telescopic manner.

[0029] As a preferred technical solution of the present invention, the analysis and control module includes a processor and an alarm component arranged on the shell, the processor is electrically connected to the alarm component and the electrochemical gas detection module respectively, and the alarm component and the electrochemical gas detection module are electrically connected, and the processor sends an alarm signal through the alarm component.

[0030] It should be noted that the alarm component in the present invention is mainly used during the construction process to judge the conditions of various gases underground in real time through the electrochemical gas detector and respond to the surface. When the harmful gas in the well exceeds the standard, the analysis and control module can promptly send out voice, sound and light alarms through the alarm component to warn of the danger. The staff can quickly leave the well through the ladder rack to ensure their personal safety.

[0031] As a preferred technical solution of the present invention, the processor is electrically connected to a display component, and the display component is used to display the detection result of the electrochemical gas detection module.

[0032] It should be noted that the display component in the present invention may include a display screen and a display screen controller, and the display screen is connected to the processor via the display screen controller; the display screen is also used to display the detection results of the gas detector.

[0033] As a preferred technical solution of the present invention, the alarm component includes any one of an audible and visual alarm, a buzzer or a loudspeaker.

[0034] It should be noted that the present invention does not impose any special restrictions on the specific models, sizes and quantities of the sound and light alarm, buzzer and loudspeaker, and those skilled in the art can make adaptive adjustments according to actual conditions.

[0035] It should be noted that the system device in the present invention may also include a ventilation module, and the analysis and control module controls the ventilation module to ventilate the working environment, wherein the ventilation module includes an exhaust fan and a pipe connected to the exhaust fan, and the controller can be configured to communicate with the processor, and the exhaust fan is automatically controlled by the microprocessor. When the content of harmful gases in the well exceeds the standard, the exhaust fan is used to supply air to improve the underground working environment and ensure the safety of underground construction.

[0036] In a second aspect, the present invention provides a method for detecting coal mine gas, which is detected by using the system device described in the first aspect, and the detection method comprises:

[0037] The filtering module is used to filter impurities in the gas input from the coal mine gas source. After the carrier module is equipped with the electrochemical gas detection module and arrives at the working environment, the gas input from the coal mine gas source is detected by the electrochemical gas detection module to obtain the corresponding gas component and concentration data. The obtained gas component and concentration data are analyzed by the analysis control module, and an alarm signal is issued when the detection data exceeds the set parameters.

[0038] It should be noted that the setting parameters in the present invention are not specifically limited herein, and their values ​​are set according to actual operating parameters, and those skilled in the art can make adaptive adjustments according to actual conditions.

[0039] Compared with the prior art, the present invention has the following beneficial effects:

[0040] In the present invention, through the specific design of the system device, detection can be performed before operation, which is highly safe and is conducive to improving the detection types and detection accuracy of coal mine gas. It can also automatically detect coal mine gas, achieve fast and accurate gas analysis, and has good stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 A schematic diagram of the structure of a carrier module in a system device for coal mine gas detection provided by a specific embodiment of the present invention;

[0042] Among them, 1-rod body; 2-electrochemical gas detection module; 3-analysis control module. DETAILED DESCRIPTION

[0043] It should be understood that, in the description of the present invention, the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0044] It should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "disposed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0045] Those skilled in the art should understand that the present invention necessarily includes necessary pipelines, conventional valves and general pump equipment for realizing a complete process, but the above content does not belong to the main inventive point of the present invention. Those skilled in the art can add layouts on their own based on the process flow and equipment structure selection, and the present invention does not make special requirements and specific limitations on this.

[0046] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0047] In a specific embodiment, the present invention provides a system device for coal mine gas detection, such as Figure 1 As shown, the system device includes an electrochemical gas detection module 2, a filtering module, a bearing module and an analysis and control module 3; the gas outlet end of the coal mine gas source is connected to the filtering module and the electrochemical gas detection module 2 in sequence along the direction of the output gas.

[0048] The filter module is used to filter impurities from the gas input from the coal mine gas source.

[0049] The electrochemical gas detection module 2 is used to detect the gas input from the coal mine gas source and obtain corresponding gas composition and concentration data.

[0050] The carrying module is provided with an electrochemical gas detection module 2 and an analysis control module 3, and is used to carry the electrochemical gas detection module 2 and the analysis control module 3 to the working environment.

[0051] The analysis control module 3 is electrically connected to the electrochemical gas detection module 2 and is used to analyze the obtained gas composition and concentration data and to send out an alarm signal when the detection data exceeds the set parameters.

[0052] It should be noted that the present invention detects the state information of coal mine air in real time through the coordinated setting of the filtering module and the electrochemical gas detection module 2, and determines whether the construction environment of the construction personnel is safe; when the state information of the coal mine air is abnormal, the analysis control module 3 sends an alarm instruction to remind the construction personnel to ensure the operation safety of the construction personnel. It also remotely observes the activity trajectory information of the construction personnel in real time and sends an alarm signal to remind the construction personnel to pay attention to safety when the activity trajectory information of the construction personnel is abnormal, and uniformly manages the entire construction process, standardizes the operation process of the construction personnel, and makes the construction site standardized, standardized, and transparent, which can effectively curb the occurrence of personal accidents and ensure the life safety of the construction personnel.

[0053] Furthermore, the electrochemical gas detection module 2 includes a shell and an electrochemical gas detector installed in the shell. A gas detection window is provided on the shell. The gas detection window is used to collect gas around it. The electrochemical gas detector is used to detect the gas collected by the gas detection window.

[0054] Further, the electrochemical gas detector includes an oxygen sensor, a nitrogen sensor, a sulfur hexafluoride sensor, a carbon monoxide sensor and a carbon dioxide sensor.

[0055] It should be noted that the electrochemical gas detectors in the present invention include oxygen sensors, nitrogen sensors, sulfur hexafluoride sensors, carbon monoxide sensors and carbon dioxide sensors. This is because the use of different detection methods can solve the serious problems of infrared spectroscopy being unable to detect non-polar molecular gases and electrochemical sensor methods causing cross-interference in the detection of gases with similar molecular structures, which is beneficial to improving the types and accuracy of coal mine gas detection.

[0056] Furthermore, the shell is a stainless steel shell.

[0057] It should be noted that the present invention adopts a stainless steel shell as a corrosion-resistant and durable material, which makes the overall structure more stable and improves the safety of underground construction workers.

[0058] Furthermore, the shell is detachably connected to the carrier module via a connecting piece.

[0059] It should be noted that the specific method of detachable connection is not particularly limited in the present invention, and those skilled in the art can make adaptive adjustments according to actual conditions. Among them, the detachable connection can be achieved by hooks, buckles or bolts.

[0060] Furthermore, the connecting piece is any one of a hook, a buckle or a bolt.

[0061] It should be noted that the present invention does not specifically limit the specific models, sizes, and quantities of hooks, buckles, and bolts, and those skilled in the art may make adaptive adjustments based on actual conditions.

[0062] Furthermore, the bearing module is a rod body 1 .

[0063] Furthermore, the rod body 1 can be pulled out.

[0064] It should be noted that the present invention does not specifically limit the specific material and telescopic length of the rod body 1, and those skilled in the art can make adaptive adjustments according to actual conditions. The rod body frame 1 can be made of stainless steel and move in a sliding and telescopic manner.

[0065] Furthermore, the analysis and control module 3 includes a processor and an alarm component arranged on the shell, the processor is electrically connected to the alarm component and the electrochemical gas detection module 2, and the alarm component and the electrochemical gas detection module 2 are electrically connected, and the processor sends an alarm signal through the alarm component.

[0066] It should be noted that the alarm component in the present invention is mainly used during the construction process to judge the conditions of various gases underground in real time through the electrochemical gas detector and respond to the surface. When the harmful gas in the well exceeds the standard, the analysis and control module 3 can promptly send out voice, sound and light alarms through the alarm component to warn of the danger, so that the staff can quickly leave the well through the ladder frame 1 to ensure their personal safety.

[0067] Furthermore, the processor is electrically connected to a display component, and the display component is used to display the detection result of the electrochemical gas detection module 2.

[0068] It should be noted that the display component in the present invention may include a display screen and a display screen controller, and the display screen is connected to the processor via the display screen controller; the display screen is also used to display the detection results of the gas detector.

[0069] Furthermore, the alarm component includes any one of an audible and visual alarm, a buzzer or a loudspeaker.

[0070] It should be noted that the present invention does not impose any special restrictions on the specific models, sizes and quantities of the sound and light alarm, buzzer and loudspeaker, and those skilled in the art can make adaptive adjustments according to actual conditions.

[0071] It should be noted that the system device in the present invention may also include a ventilation module. The analysis and control module 3 controls the ventilation module to ventilate the working environment, wherein the ventilation module includes an exhaust fan and a pipe connected to the exhaust fan. The controller can be configured to communicate with the processor, and the exhaust fan is automatically controlled by the microprocessor. When the content of harmful gases in the well exceeds the standard, the exhaust fan is used to supply air to improve the underground working environment and ensure the safety of underground construction.

[0072] In another specific embodiment, the present invention provides a method for detecting coal mine gas, using the above-mentioned system device for detection, the detection method comprises:

[0073] The filtering module is used to filter impurities in the gas input from the coal mine gas source. After the carrier module is equipped with the electrochemical gas detection module 2 to reach the working environment, the gas input from the coal mine gas source is detected by the electrochemical gas detection module 2 to obtain the corresponding gas component and concentration data. The obtained gas component and concentration data are analyzed by the analysis control module 3, and an alarm signal is issued when the detection data exceeds the set parameters.

[0074] It should be noted that the setting parameters in the present invention are not specifically limited herein, and their values ​​are set according to actual operating parameters, and those skilled in the art can make adaptive adjustments according to actual conditions.

[0075] Example 1

[0076] This embodiment provides a system device for coal mine gas detection, wherein:

[0077] The system device comprises an electrochemical gas detection module 2, a filtering module, a bearing module and an analysis and control module 3; the gas outlet end of the coal mine gas source is connected to the filtering module and the electrochemical gas detection module 2 in sequence along the direction of the output gas.

[0078] The filter module is used to filter impurities from the gas input from the coal mine gas source. The electrochemical gas detection module 2 is used to detect the gas input from the coal mine gas source and obtain the corresponding gas composition and concentration data. The carrying module is provided with the electrochemical gas detection module 2 and the analysis control module 3, which are used to carry the electrochemical gas detection module 2 and the analysis control module 3 to the working environment. The analysis control module 3 is electrically connected to the electrochemical gas detection module 2, and is used to analyze the obtained gas composition and concentration data, and send an alarm signal when the detection data exceeds the set parameters.

[0079] The electrochemical gas detection module 2 includes a housing and an electrochemical gas detector installed in the housing. A gas detection window is provided on the housing. The gas detection window is used to collect gas around it. The electrochemical gas detector is used to detect the gas collected by the gas detection window. The electrochemical gas detector includes an oxygen sensor, a nitrogen sensor, a sulfur hexafluoride sensor, a carbon monoxide sensor, and a carbon dioxide sensor.

[0080] The housing is a stainless steel housing, and the housing is detachably connected to the carrying module through a connecting piece, and the connecting piece is a hook. The carrying module is a drawable rod body 1.

[0081] The analysis and control module 3 includes a processor and an alarm component arranged on the housing. The processor is electrically connected to the alarm component and the electrochemical gas detection module 2, and the alarm component is electrically connected to the electrochemical gas detection module 2. The processor sends an alarm signal through the alarm component, and the alarm component is a buzzer. The processor is electrically connected to a display component, and the display component is used to display the detection result of the electrochemical gas detection module 2.

[0082] In summary, the present invention, through the specific design of the system device, can detect before operation, has high safety, is beneficial to improving the detection types and detection accuracy of coal mine gas, and can automatically detect coal mine gas to achieve fast and accurate gas analysis with good stability.

[0083] The above description is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Those skilled in the art should understand that any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present invention are within the protection scope and disclosure scope of the present invention.

Claims

1. A system device for coal mine gas detection, characterized in that: The system device includes an electrochemical gas detection module, a filtering module, a carrying module and an analysis and control module; The gas outlet end of the coal mine gas source is connected to the filtering module and the electrochemical gas detection module in sequence along the direction of outputting the gas; The filtering module is used to filter impurities from the gas input from the coal mine gas source; The electrochemical gas detection module is used to detect the gas input from the coal mine gas source to obtain corresponding gas composition and concentration data; The carrying module is provided with the electrochemical gas detection module and the analysis control module, and is used to carry the electrochemical gas detection module and the analysis control module to the working environment; The analysis control module is electrically connected to the electrochemical gas detection module, and is used to analyze the obtained gas composition and concentration data, and to send out an alarm signal when the detection data exceeds the set parameters.

2. The system device according to claim 1, characterized in that: The electrochemical gas detection module comprises a housing and an electrochemical gas detector installed in the housing, wherein a gas detection window is provided on the housing; The electrochemical gas detector includes an oxygen sensor, a nitrogen sensor, a sulfur hexafluoride sensor, a carbon monoxide sensor and a carbon dioxide sensor; The gas detection window is used to collect the gas around it, and the electrochemical gas detector is used to detect the gas collected by the gas detection window.

3. The system device according to claim 2, characterized in that: The shell is a stainless steel shell.

4. The system device according to claim 2 or 3, characterized in that: The housing is detachably connected to the carrier module via a connecting piece; The connecting piece is any one of a hook, a buckle or a bolt.

5. The system device according to any one of claims 1 to 4, characterized in that: The bearing module is a rod body.

6. The system device according to claim 5, characterized in that: The rod body can be pulled out.

7. The system device according to any one of claims 2 to 4, characterized in that: The analysis and control module includes a processor and an alarm component arranged on the shell, the processor is electrically connected to the alarm component and the electrochemical gas detection module respectively, and the alarm component and the electrochemical gas detection module are electrically connected, and the processor sends an alarm signal through the alarm component.

8. The system device according to claim 7, characterized in that: The processor is electrically connected to a display component, and the display component is used to display the detection result of the electrochemical gas detection module.

9. The system device according to claim 7, characterized in that: The alarm component includes any one of an audible and visual alarm, a buzzer or a loudspeaker.

10. A method for detecting coal mine gas, characterized in that: The detection is performed using the system device according to any one of claims 1 to 9, wherein the detection method comprises: The filtering module is used to filter impurities in the gas input from the coal mine gas source. After the carrier module is equipped with the electrochemical gas detection module and arrives at the working environment, the gas input from the coal mine gas source is detected by the electrochemical gas detection module to obtain the corresponding gas component and concentration data. The obtained gas component and concentration data are analyzed by the analysis control module, and an alarm signal is issued when the detection data exceeds the set parameters.

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