Gas monitoring apparatus and method

Abstract

The present application provides a gas monitoring apparatus and method. The gas monitoring apparatus consists of a plurality of detection units and a terminal device. Each detection unit comprises a plurality of sensors and a data substation. The sensors in each detection unit are connected to the data substation in the detection unit. The data substation in each detection unit is connected to the terminal device. The sensors are all distributed in an underground goaf, and the data substations and the terminal device are all arranged on the ground. A grouting pipe is arranged in the goaf, and the sensors are arranged in the grouting pipe. A sensor is used for collecting gas data and sending same to the data substation to which the sensor belongs. A data substation is used for receiving gas data and sending same to the terminal device. The terminal device is used for receiving gas data and performing gas monitoring. The problems in the prior art of difficult deployment and maintenance of devices in underground goafs are solved, thereby ensuring the accuracy of data collection and gas monitoring while improving the deployment and maintenance effects.

Description

Gas monitoring device and method

[0001] Cross-reference to related applications

[0002] The present application is based on the Chinese patent application No. 202410535255.1, filed on April 30, 2024, and claims priority to the Chinese patent application No. 202410535255.1, filed on April 30, 2024, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD

[0003] The present application relates to the technical field of safety monitoring, in particular to a gas monitoring device and method. BACKGROUND

[0004] The spontaneous combustion of residual coal in the goaf of a coal mine is relatively frequent and serious, and the spontaneous combustion of coal in a coal mine can also cause underground gas and coal dust explosions and other major accidents, which seriously threaten the safety of coal mine workers.

[0005] At present, the main methods for monitoring the fire in the goaf of a coal mine are infrared beam tube monitoring, manual gas sampling and testing, and temperature measurement fiber distribution. The manual gas sampling and testing method has a large workload and a complicated process, and has weak real-time early warning capability. In practical applications, the temperature measurement fiber distribution technology is often damaged when buried in the goaf, and is difficult to lay and has a high cost. In the infrared beam tube monitoring method, the beam tube is long and has a high risk of gas leakage and blockage. Therefore, the traditional gas monitoring method has certain disadvantages, and is mostly deployed underground, which is difficult to maintain. SUMMARY

[0006] The present application aims to at least partially solve one of the technical problems in the related art.

[0007] To this end, a first object of the present application is to provide a gas monitoring device to achieve convenient and accurate gas monitoring.

[0008] A second object of the present application is to provide a gas monitoring method.

[0009] To achieve the above objects, a first aspect of the present application provides a gas monitoring device, which is composed of multiple groups of detection units and a terminal device. Each group of detection units includes multiple sensors and a data substation. The sensors in each group of detection units are connected to the data substation in the group. The data substation in each detection unit is connected to the terminal device. The sensors are arranged in the goaf of a coal mine. The data substation and the terminal device are arranged on the ground. A grouting pipeline is arranged in the goaf. The sensors are arranged in the grouting pipeline.

[0010] The sensors are configured to collect gas data and send the gas data to the data substation to which the sensors belong.

[0011] The data substation is configured to receive the gas data and send the gas data to the terminal device.

[0012] The terminal device is configured to receive the gas data and perform gas monitoring.

[0013] To achieve the above object, the second aspect of the present application provides a gas monitoring method, and the system comprises:

[0014] The sensor collects gas data in the goaf and sends the gas data to a data substation on the ground to which the sensor belongs;

[0015] The data substation receives the gas data sent by the sensor and sends the gas data to a terminal device on the ground.

[0016] The terminal device receives the gas data sent by the data substation and performs gas monitoring on the gas data.

[0017] The gas monitoring device and system provided by the present application obtain the gas data collected by the sensor through the data substation arranged on the ground, and send the gas data to the terminal device deployed on the ground for gas monitoring, thereby solving the problems of difficult deployment and maintenance of the existing goaf equipment in the well, improving the deployment and maintenance effect, and ensuring the accuracy of data collection and gas monitoring.

[0018] Additional aspects and advantages of the present application will be described in part in the description that follows, and will become apparent from the description that follows, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, taken in conjunction with the accompanying drawings, in which:

[0020] FIG. 1 is a structural schematic diagram of a gas monitoring device provided by an embodiment of the present application;

[0021] FIG. 2 is a connection schematic diagram of various devices in a gas monitoring device provided by an embodiment of the present application;

[0022] FIG. 3 is an interaction schematic diagram of a gas monitoring method provided by an embodiment of the present application. DETAILED DESCRIPTION

[0023] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0024] A gas monitoring device and system according to embodiments of the present application will be described below with reference to the accompanying drawings.

[0025] FIG. 1 is a structural schematic diagram of a gas monitoring device according to an embodiment of the present application. As shown in FIG. 1, the gas monitoring device is composed of multiple groups of detection units 100 and a terminal device 200. Each group of detection units 100 includes multiple sensors 101 and a data substation 102. The sensors 101 in each group of detection units 100 are connected to the data substation 102 in the group. The data substation 102 in each group of detection units 100 is connected to the terminal device 200. The sensors 101 are arranged in a goaf. The data substation 102 and the terminal device 200 are arranged on the ground. A grouting pipeline is arranged in the goaf. The sensors are arranged in the grouting pipeline.

[0026] The sensors 101 are configured to collect gas data and send the gas data to the data substation 102 to which the sensors 101 belong. The data substation 102 is configured to receive the gas data and send the gas data to the terminal device 200. The terminal device 200 is configured to receive the gas data and perform gas monitoring.

[0027] In some implementations, the grouting pipeline is a pipeline for injecting materials into the goaf. One or more grouting pipelines can be arranged in the goaf. The number of grouting pipelines arranged in the goaf is determined based on the area of the goaf. The larger the area of the goaf, the more grouting pipelines can be arranged. The sensors 101 are arranged directly in the grouting pipeline, which is convenient for operation and deployment.

[0028] In some implementations, the existing grouting pipeline for fire prevention and extinguishing in the goaf of a coal mine can be directly used as the grouting pipeline for deploying the sensors. Alternatively, the grouting pipeline can be reasonably arranged in the monitoring range of the goaf according to the design requirements of the grouting hole of the goaf. The sensors are placed in the grouting pipeline to collect gas data.

[0029] Optionally, the gas data collected by the sensors 101 can be one or more of carbon monoxide, ethylene, acetylene, and oxygen. It can be understood that when the concentration of some dangerous gas in the goaf is too high, an explosion or other accidents can occur. Therefore, the change of the gas data needs to be monitored, for example, the concentration of the gas or the change trend of the gas is monitored in real time. Through the monitoring of the concentration of the gas or the change trend of the gas, it is determined whether the change of the gas is abnormal or the concentration of the gas is too high, so as to realize timely warning and avoid natural ignition and other accidents.

[0030] In some implementations, the data substation 102 can be a computer, a notebook computer, or the like. The first device at least has the capability of receiving and sending data. The data substation 102 is arranged on the ground, so as to facilitate the deployment and maintenance of the data substation 102.

[0031] In some implementations, the sensor 101 and the data station 102 can be connected in a wired manner through a cable or the like, so as to facilitate the arrangement of the sensor 101 in the grouting pipeline and the gas data transmission through the cable, and ensure the stability of the transmission process; and the arrangement of multiple sets of detection units 100 can ensure that the distance between the data station 102 and the sensor 101 in each set of detection units 100 is not too far, and reduce the consumption of cables and the like.

[0032] It can be understood that, as the goaf continuously increases, the detection units 100 can be continuously added, that is, the data stations 102 and the sensors 101 can be continuously added, so as to comprehensively and completely acquire the gas data in the goaf.

[0033] In some implementations, the terminal device 200 can be a computer, a computer or the like, which can at least realize the functions of receiving, storing and analyzing data, that is, the terminal device can at least receive and store the gas data, and can also analyze and monitor the gas data.

[0034] In some implementations, the data station 102 and the terminal device 200 can be connected in a wired or wireless manner, for example, connected in a wired manner through a cable or a network cable or the like, or connected in a wireless manner through Bluetooth or wireless fidelity (WIFI), so as to facilitate the data transmission between the data station 102 and the terminal device 200.

[0035] In the embodiment, the gas data is acquired and analyzed by the multiple sets of detection units and the terminal device, the detection unit includes a sensor and a data station, the sensor acquires and sends the gas data to the connected data station, the data station is arranged on the ground, which is convenient for deployment and maintenance, the data station based on the multiple sets of detection units sends the gas data to the terminal device for gas monitoring, compared with the traditional data acquisition in the goaf, the efficiency in the gas monitoring process and the deployment and maintenance of each device are improved.

[0036] On the basis of the above embodiment, the gas monitoring device is composed of multiple sets of detection units 100 and a terminal device 200, and each set of detection units 100 includes multiple sensors 101 and a data station 102. As shown in FIG. 2, it is a connection diagram of each device in the gas monitoring device, wherein the sensor 101 is connected with the data station 102 through a cable, the data station 102 in the detection unit 100 is connected with the terminal device 200, the sensor 101 is arranged in the goaf, and the data station 102 and the terminal device 200 are arranged on the ground; the grouting pipeline is arranged in the goaf, and the sensor 101 is arranged in the grouting pipeline.

[0037] The sensor 101 is used to collect gas data and send the data to the data station 102 to which the sensor belongs; the data station 102 is used to receive the gas data and send the gas data to the terminal device 200; and the terminal device 200 is used to receive the gas data and perform gas monitoring.

[0038] In some implementations, the sensor 101 in each group of detection units 100 is connected to the data station 102 in the group through a cable, wherein the data station 102 at least includes a power supply unit 1021, a first data transmission unit 1022, and a display unit 1023; the power supply unit 1021 supplies power to the sensor through the cable; the first data transmission unit 1022 is used to receive and send the gas data; and the display unit 1023 is used to display the gas data.

[0039] Optionally, the cable can be a 4-core cable, and the sensor 101 can send the gas data to the first data transmission unit 1022 in the data station 102 through the 4-core cable.

[0040] In some implementations, the display unit 1023 can receive a display instruction, and when the display instruction indicates that data display is required, the display unit displays the gas data. That is, when the display instruction received from the user indicates that data display is required, the display unit 1023 displays the gas data in the first data transmission unit 1022.

[0041] In some implementations, a tee structure 400 can be installed on the grouting pipeline, wherein a first end of the tee structure is connected to the grouting pipeline; a second end of the tee structure is used to be connected to the grouting device 500; and a third end of the tee structure is used to pass through the cable between the sensor and the data station in the group. It can be understood that the grouting device 500 can perform grouting through the second end of the tee structure 400; and the sensor 101 is placed into the grouting pipeline through the third end of the tee structure, that is, the cable between the sensor 101 and the data station 102 in the group is placed into the grouting pipeline through the third end of the tee structure 400.

[0042] Optionally, the third end can be a waterproof joint, and the cable between the sensor 101 and the data station 102 in the group is fixed on the waterproof joint to achieve the waterproof and fixing effects of the cable and the sensor 101. In some implementations, when the sensor 101 does not collect gas data, the grouting pipeline can be closed by closing the waterproof joint.

[0043] In some implementations, the gas monitoring device can further include a grouting device 500 configured to inject fire extinguishing material into a grouting pipe; when the terminal device 200 monitors the gas data, if it is detected according to the gas data that the target goaf has a fire, the grouting device 500 associated with the target goaf is sent a grouting instruction; the grouting device 500 receives the grouting instruction, and injects the fire extinguishing material into the grouting pipe according to the grouting instruction.

[0044] In some implementations, if it is detected according to the gas data that the target goaf has a large fire risk, the grouting device 500 can also be used to inject fire extinguishing material into the grouting pipe to avoid the occurrence of fire; optionally, the fire extinguishing material can be mud, which is determined according to the current coal mine goaf safety monitoring requirements whether the gas data has a fire risk or has already occurred.

[0045] In some implementations, the terminal device 200 at least includes a second data transmission unit 201 and a processing unit 202, the second data transmission unit 201 is configured to receive and send the gas data, and the processing unit 202 is configured to receive the gas data sent by the second data transmission unit and perform gas monitoring based on the gas data.

[0046] In the embodiment, the data substation 102 and the terminal device 200 are connected and transmitted by a wireless manner, that is, the first data transmission unit 1022 in the data substation 102 converts the gas data into a wireless signal for sending, and the second data transmission unit 202 in the terminal device 200 receives the gas data; further, the second data transmission unit 202 can convert the gas data into a data signal and transmit it to the processing unit 202, and the processing unit 202 monitors and analyzes the gas. Optionally, the communication method of data transmission can use the serial communication interface standard protocol RS485 or the controller area network bus (CAN) communication.

[0047] In some implementations, the terminal device 200 can further include a storage unit and a display unit, the storage unit is configured to store the received gas data, and the display unit is configured to display the received gas data, so as to facilitate the checking and watching of the gas data.

[0048] In some implementations, when the terminal device 200 determines that the goaf has a fire risk, it can also issue a warning information to remind the staff to prevent, and the warning information can be a buzzer sound or a pop-up window on the display unit of the terminal device 200.

[0049] In the embodiment, the data substation supplies power to the sensor through the power supply unit, reduces the frequency of sensor maintenance in the well, facilitates deployment and maintenance, deploys the sensor in the grouting pipeline and monitors grouting and the sensor through the tee structure, reduces additional sensor deployment, ensures the suitability of the sensor working environment according to the waterproof joint, prolongs the service life of the sensor, and arranges the data substation and the terminal device on the ground to interact and transmit data, facilitates the deployment of the data substation and the terminal device, ensures the accuracy of gas data acquisition, ensures the reliability of the gas data monitoring result, and performs grouting treatment based on the grouting equipment to reduce the probability of major accidents caused by fire.

[0050] Fig. 3 is an interaction diagram of a gas monitoring method provided by the embodiment. As shown in Fig. 3: the sensor collects gas data in the goaf and sends the gas data to the data substation on the ground to which the sensor belongs; the data substation receives the gas data sent by the sensor and sends the gas data to the terminal device on the ground; and the terminal device receives the gas data sent by the data substation and performs gas monitoring on the gas data.

[0051] In some implementations, the terminal device detects a fire in the target goaf according to the gas data, sends a grouting instruction to the grouting equipment associated with the target goaf, and the grouting equipment receives the grouting instruction sent by the terminal device and injects fire extinguishing material into the grouting pipeline according to the grouting instruction.

[0052] It should be noted that the foregoing explanation and description of the gas monitoring device embodiments also apply to the gas monitoring method of the embodiment, which will not be described here.

[0053] In the embodiment, the sensor collects gas data and transmits the gas data to the data substation, the terminal device performs gas monitoring based on the gas data sent by the data substation, the terminal device sends a grouting instruction when a fire occurs in the gas monitoring, the grouting equipment injects fire extinguishing material according to the grouting instruction, the safety of the goaf is ensured, accidents caused by goaf fires are avoided, the monitoring of the gas is more timely, and the maintenance and deployment of the devices in the overall process are more convenient.

[0054] The collection, storage, use, processing, transmission, provision and disclosure of user personal information involved in the present application comply with relevant laws and regulations and do not violate public order and good customs.

[0055] It should be noted that personal information collected from users should be used for legitimate and reasonable purposes and should not be shared or sold outside of these legitimate uses. Furthermore, such collection / sharing should only be conducted after receiving the user's informed consent, including but not limited to notifying the user to read the user agreement / user notice and sign an agreement / authorization that includes authorization of relevant user information before the user uses the function. In addition, any necessary steps must be taken to protect and safeguard access to such personal information data and ensure that others with access to personal information data comply with their privacy policies and procedures.

[0056] This application is intended to provide an implementation scheme for users to selectively prevent the use or access to their personal information data. Specifically, this disclosure is intended to provide hardware and / or software to prevent or block access to such personal information data. Once personal information data is no longer needed, risks can be minimized by restricting data collection and deleting data. Furthermore, where applicable, such personal information is de-identified to protect user privacy.

[0057] In the foregoing descriptions of the embodiments, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0058] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0059] Any process or method description in the flowchart or otherwise herein can be understood as representing a module, segment, or portion of code comprising one or more executable instructions for implementing custom logic functions or processes, and the scope of the preferred embodiments of this application includes additional implementations in which functions may be performed not in the order shown or discussed, including substantially simultaneously or in reverse order depending on the functions involved, as should be understood by those skilled in the art to which embodiments of this application pertain.

[0060] The logic and / or steps represented in the flowcharts and / or described herein, for example, can be considered as a sequence of executable instructions stored in a computer readable medium, which can be executed by an instruction execution system, apparatus or device, such as a computer-based system, a processor-based system, or other system that can fetch the instructions from the instruction execution system, apparatus or device and execute the instructions, or a combination thereof. For the purposes of this specification, a "computer readable medium" can be any apparatus that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus or device. The computer readable medium can specifically be, but is not limited to, the following: an electronic connection (electronic apparatus) having one or more wires, a portable computer diskette (magnetic apparatus), a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or Flash memory), an optical fiber, and a portable compact disk read-only memory (CDROM). In addition, the computer readable medium can even be paper or other suitable medium upon which the program can be printed, because the program can be electronically obtained, for example, by optically scanning the paper or other medium, then

[0061] It should be understood that portions of the application can be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, multiple steps or methods can be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. As such, if implemented in hardware, and in another embodiment, any of the following technologies, known in the art, or a combination thereof, can be used: discrete logic circuitry having logic gates for implementing logic functions on data signals, application specific integrated circuits having appropriate combinational logic gates, programmable gate arrays (PGA), field programmable gate arrays (FPGA), and the like.

[0062] Those of ordinary skill in the art can understand that all or part of the steps carried out by the above-mentioned embodiment methods can be completed by programs instructing relevant hardware, and the programs can be stored in a computer readable storage medium. When the programs are executed, they include one of the steps of the method embodiments or a combination thereof.

[0063] In addition, each of the functional units in the various embodiments of the present application can be integrated in one processing module, or each of the units can be physically present separately, or two or more units can be integrated in one module. The integrated module can be implemented in the form of hardware or in the form of a software functional module. When the integrated module is implemented in the form of a software functional module and sold or used as an independent product, it can also be stored in a computer readable storage medium.

[0064] The storage medium mentioned above can be a read-only memory, a magnetic disk or an optical disk, etc. Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.

Claims

1. A gas monitoring device, characterized by, The device comprises a plurality of detection units and a terminal device, wherein each detection unit comprises a plurality of sensors and a data substation, the sensors in each detection unit are connected to the data substation in the unit, the data substation in each detection unit is connected to the terminal device, the sensors are arranged in the underground goaf, and the data substation and the terminal device are arranged on the ground; a grouting pipeline is arranged in the goaf, and the sensors are arranged in the grouting pipeline; The sensors are used to collect gas data and send the data to the data substation to which the sensors belong; The data substation is used to receive the gas data and send the gas data to the terminal device; The terminal device is used to receive the gas data and perform gas monitoring.

2. The apparatus of claim 1, wherein, The sensors in each detection unit are connected to the data substation in the unit through a cable, and the data substation at least comprises a power supply unit, a first data transmission unit and a display unit; The power supply unit supplies power to the sensors through the cable; The first data transmission unit is used to receive and send the gas data; The display unit is used to display the gas data.

3. The apparatus of claim 2, wherein, The display unit receives a display instruction, and when the display instruction indicates to display data, the display unit displays the gas data.

4. The apparatus of claim 1, wherein, The device further comprises a grouting device; The terminal device is further used to detect a fire in a target goaf according to the gas data, and send a grouting instruction to the grouting device associated with the target goaf; The grouting device is used to inject fire extinguishing materials into the grouting pipeline according to the grouting instruction.

5. The device of any one of claims 1-4, wherein, A tee structure is installed on the grouting pipeline, wherein a first end of the tee structure is connected to the grouting pipeline; A second end of the tee structure is used to be connected to the grouting device; A third end of the tee structure is used to pass through the cable between the sensors and the data substation in the unit.

6. The apparatus of claim 5, wherein, The third end is a waterproof joint, and the cable between the sensors and the data substation in the unit is fixed on the waterproof joint.

7. The apparatus of claim 6, wherein, When the sensors do not collect gas data, the grouting pipeline is sealed by closing the waterproof joint.

8. The apparatus of claim 7, wherein, The terminal device at least comprises a second data transmission unit and a processing unit, the second data transmission unit is used to receive and send the gas data, and the processing unit is used to receive the gas data sent by the second data transmission unit and perform gas monitoring based on the gas data.

9. A method of gas monitoring, characterized by, The method comprises: The sensors collect gas data in the underground goaf and send the data to the data substation on the ground to which the sensors belong; The data substation receives the gas data sent by the sensors and sends the gas data to the terminal device on the ground; The terminal device receives the gas data sent by the data substation and performs gas monitoring on the gas data.

10. The method of claim 9, wherein, The method further comprises: The terminal device detects a fire in a target goaf according to the gas data, and sends a grouting instruction to the grouting device associated with the target goaf; The grouting device receives the grouting instruction sent by the terminal device and injects fire extinguishing materials into the grouting pipeline according to the grouting instruction.

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