1. A gas composition monitoring and alarming system for a mine pipeline based on CAN bus communication is characterized by comprising a group of mobile alarming devices, a mine environment sensing network, mobile devices, base station Wi-Fi receiving devices, a base station cluster controller and a digital communication system;

the system comprises ground and underground routers, signal analyzers of mobile alarm devices, each mobile device additionally comprises a positioning unit for determining the position of the mobile device relative to a base station, a basic information collecting station is arranged in the output of the mine, and the mobile alarm devices of at least two base stations receive signals at each output point.

2. The CAN bus communication-based mining pipeline gas composition monitoring and warning system as claimed in claim 1, wherein the communication system has a CAN bus and two devices that are connected by the CAN bus;

the equipment is provided with a CAN control unit, an Asynchronous Serial Communication (ASC) interface unit and a switch, wherein the CAN control unit is suitable for transmission in a first transmission mode, CAN data are transmitted through a CAN bus with the help of a first physical protocol, the asynchronous serial communication interface unit or the ASC interface unit is suitable for transmission in a second transmission mode, and an ASC data frame is transmitted through the CAN bus with the help of a second physical protocol;

the switch is designed to switch between a first transmission mode and a second transmission mode, the function of which is at least one protocol active between the apparatus and at least one other apparatus, as a function of the protocol active between the first device and the second device, the first device being switched by the switching circuit between the first transmission mode and the second transmission mode, the first device being switched from the first transmission mode to the second transmission mode in the first predefined switching time window, and the first device being switched from the second transmission mode to the first transmission mode in the second predefined switching window.

3. The CAN bus communication-based mining pipeline gas composition monitoring and alarming system as recited in claim 2, wherein: said first means being configured such that, when transmitting in the first transmission mode, a first device transmission data frame of the control unit may periodically cycle on the CAN bus using a first bus clock over a plurality of predefined TTCAN time windows, periodically according to predefined switching time windows of the first and second cycles; when transmitting in the second transmission mode, an Asynchronous Serial Communication (ASC) interface unit of the first device transmits ASC data frames over the CAN bus using a second bus clock pulse that is higher than the first bus clock pulse.

4. The CAN bus communication-based mining pipeline gas composition monitoring alarm system of claim 3, wherein the CAN control unit is configured to transmit CAN data frames over the CAN bus using the first physical protocol in a plurality of predefined TTCAN time windows occurring periodically in a plurality of cycles in the first transmission mode;

the Asynchronous Serial Communication (ASC) interface unit is configured to transmit ASC data frames over the CAN bus in a second transmission mode using a second physical protocol;

said switch adapted to switch between a first transmission mode and a second transmission mode, as a function of the protocol, active between at least one of the at least two devices and at least another of the at least two devices, wherein in a first predefined switching time window a predefined number of devices switch from the first transmission mode to the second transmission mode, and in a second predefined switching window a predefined number of devices switch from the second transmission mode to the first transmission mode;

the first and second predefined switching time windows occur periodically according to a plurality of periods of a TTCAN time window;

the control unit is configured to transmit data frames on the CAN bus using a first bus clock transmission mode at a first time, and the ASC interface unit is configured to transmit ASC data frames on the CAN bus using a second bus clock transmission mode at a second time, the second bus clock being higher than the first bus clock.

5. The CAN bus communication-based mining pipeline gas composition monitoring and alarming system as recited in claim 1, characterized in that: the mine environment sensing network comprises a sensor device, an alarm device, a comprehensive control server and a contact person terminal.

6. The CAN bus communication-based mining pipeline gas composition monitoring and alarming system as recited in claim 5, wherein the sensor (110) is provided with a plurality of sensor devices, the sensor devices comprise a carbon monoxide sensor, a hydrogen sulfide sensor, a nitrogen dioxide sensor, a sulfur dioxide sensor, an ammonia gas sensor and a hydrogen gas sensor, and the sensor devices are used for measuring the air quality and the concentrations of various gases in real time in order to distinguish the air quality of the inner space of the indoor facility and the occurrence or non-occurrence of harmful gases;

said sensors (110) transmit the measured air quality measurement information and the gas concentration information to the alarm device (130) via the CAN bus, a plurality of sensor devices (110) being arranged in the pipeline, in which case each sensor device (110) carries an identifiable message, the position of which is determined by an alarm device (130).

7. The mining pipeline gas composition monitoring and alarming system based on CAN bus communication as claimed in claim 5, characterized in that: the alarm system (130) can monitor the quality of the gas in the pipeline and the generation of harmful gas in real time, and the alarm system (130) can receive the air quality and gas concentration data from the sensor (110) in real time to judge the air quality and gas concentration condition in a period of time (such as tens of seconds to minutes). The alarm device (130) gives an alarm of a risk level such as safety, attention, alarm, avoidance, etc. according to the state of air quality and gas concentration. The alarm device (130) uses a warning tone or voice information to guide or alarm. At the moment, the alarm device (130) can output alarm sounds or voice messages with different frequencies to prompt or alarm;

when the judged state is the safe state, the alarm sound or the sound information is not output, and the alarm and avoiding state needs to be prompted or alarmed by increasing the output intensity of the alarm sound or the sound information;

the alarm device (130) transmits monitoring information according to the indoor air quality and whether harmful gas occurs or not to the comprehensive control server (150) through the CAN bus, the alarm device (130) transmits the monitoring information to a terminal (170) of a responsible person in real time through a communication network (106), and the monitoring information comprises the use, position and air quality monitoring information of indoor facilities, the concentration information of harmful gas, the existing alarm state (namely, safety, attention, alarm and avoidance) and the like.

The pipeline is provided with a plurality of sensor devices (110), and the alarm device (130) can judge the position of the sensor device (110) by using the identification information of each sensor device (110) and output warning sound or voice information with different frequencies according to the judged position.

8. A mining pipeline gas composition monitoring alarm system based on CAN bus communication as claimed in claim 5, characterized in that the integrated control server (150) is configured to be connected with a plurality of alarm devices (130) through the communication network (104);

the comprehensive control server (150) collects, analyzes, processes and stores data such as gas quality conditions and whether harmful gas exists in the mining pipelines in advance, establishes big data, judges the indoor air quality of indoor facilities and whether harmful gas can be generated or not by the comprehensive control server (150), sets and stores gas quality measurement information and reference values of gas concentrations in stages by utilizing the constructed big data, and compares the gas concentrations with the reference values of the stages to judge whether the air quality of the indoor space and the harmful gas are in safe, attention, alarm and evacuation states or not.

The integrated control server (150) receives the monitoring information from each alarm device (130), monitors the air quality and harmful gas generation of all facilities of the pipeline, displays the monitoring information on an electronic map, and provides the monitoring information to a manager, and in this way, the pipeline is comprehensively managed on the basis of the position, and the integrated control server (150) can analyze and process the monitoring information and provide the manager with appropriate management information.

9. The CAN bus communication-based gas composition monitoring and alarming system for the mining pipeline is characterized in that a contact terminal is provided with a smart phone, a mobile application program for monitoring gas quality and whether harmful gas is generated or not is installed inside the contact terminal, the contact terminal transmits monitoring information in real time through an alarming device (130), and the mobile application program monitors air quality of the relevant indoor space and whether harmful gas is generated or not.

Background

The coal mine safety monitoring system is a system mainly used for monitoring functions of methane concentration, carbon monoxide concentration, carbon dioxide concentration, oxygen concentration, hydrogen sulfide concentration, mine dust concentration, wind speed, wind pressure, humidity, temperature, feed state, air door state, air duct state, local ventilator on-off, main ventilator on-off and the like.

The CAN adopts a double-wire serial communication mode, has strong error detection capability, CAN work in a high-noise interference environment, has priority and arbitration functions, and is hung on the CAN-bus through the CAN controller to form a multi-host local network. On one hand, the method has the advantages of strong real-time performance, long transmission distance, strong anti-electromagnetic interference capability, low cost and the like. (ii) a On the other hand, data communication at a higher bit rate can be performed over a relatively large distance. The system is characterized in that an upper computer controls and manages a plurality of parallel pressure-bearing boiler monitoring units, and rapid data transmission is carried out among the monitoring units.

The mining pipeline monitoring system among the prior art sampling data comparison is fixed, inconveniently adds other relevant data acquisition devices, CAN not compatible third party sensor signal access simultaneously, and the reliability is low, CAN not realize long-range data transmission, consequently needs urgent research and development a mining pipeline gas distributed monitored control system based on CAN bus communication.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the invention provides a mine pipeline gas composition monitoring and alarming system based on CAN bus communication.

In order to solve the technical problems, according to one aspect of the invention, a plurality of sampling interfaces can be systematically provided, so that a related data acquisition device can be conveniently and timely added, signal access of a third-party sensor can be better compatible, and remote transmission of data can be conveniently realized. The invention provides the following technical scheme:

a gas composition monitoring and alarming system for a mine pipeline based on CAN bus communication comprises a group of mobile alarming devices, a mine environment sensing network, a mobile device, a base station Wi-Fi receiving device, a base station cluster controller and a digital communication system;

the system comprises ground and underground routers and a signal analyzer of mobile alarm equipment, each mobile equipment additionally comprises a positioning unit for determining the position of the mobile equipment relative to a base station, a basic information collecting station is installed in the output of a mine, and the mobile alarm equipment of at least two base stations receives signals at each output point.

The invention relates to a preferable scheme of a mine pipeline gas distributed monitoring system based on CAN bus communication, wherein the communication system is provided with a CAN bus and two devices which are in auxiliary connection through the CAN bus;

the equipment is provided with a CAN control unit, an Asynchronous Serial Communication (ASC) interface unit and a switch, wherein the CAN control unit is suitable for transmission in a first transmission mode, CAN data is transmitted through the CAN bus with the help of a first physical protocol, the asynchronous serial communication interface unit or the ASC interface unit is suitable for transmission in a second transmission mode, and an ASC data frame is transmitted through the CAN bus with the help of a second physical protocol;

preferably, the switch is designed to switch between a first transmission mode and said second transmission mode, the function of which is at least one protocol active between said apparatus and at least one other apparatus, as a function of the protocol active between the first device and the second device, the first device being switched by the switching circuit between the first transmission mode and the second transmission mode, the first device switching from said first transmission mode to said second transmission mode in said first predefined switching time window, and the first device switching from the second transmission mode to the first transmission mode in a second predefined switching window.

The first device configuration is used for transmitting data frames by first equipment of the control unit when the data frames are transmitted in a first transmission mode, and the data frames are periodically cycled in a diversified predefined TTCAN time window by using first bus clock pulses on the CAN bus according to predefined switching time windows of a first cycle and a second cycle; when transmitting in the second transmission mode, an Asynchronous Serial Communication (ASC) interface unit of the first device transmits ASC data frames over the CAN bus using a second bus clock pulse that is higher than the first bus clock pulse.

The CAN control unit is configured to transmit CAN data frames through a CAN bus by using a first physical protocol in a plurality of predefined TTCAN time windows which periodically occur in a plurality of periods in a first transmission mode;

preferably, an Asynchronous Serial Communication (ASC) interface unit configured to transmit ASC data frames in a second transmission mode over the CAN bus using a second physical protocol;

preferably, a switch adapted to switch between a first transmission mode and a second transmission mode, as a function of the protocol, is active between at least one of the at least two devices and at least another of the at least two devices, wherein in a first predefined switching time window a predefined number of devices switch from the first transmission mode to the second transmission mode, and in a second predefined switching window a predefined number of devices switch from the second transmission mode to the first transmission mode;

preferably, the first and second predefined switching time windows occur periodically according to a plurality of periods of the TTCAN time window;

preferably, the control unit is configured to transmit data frames on the CAN bus using a first bus clock transmission mode at a first time, and the ASC interface unit is configured to transmit ASC data frames on the CAN bus using a second bus clock transmission mode at a second time, the second bus clock being higher than the first bus clock.

The preferable scheme of the CAN bus communication-based mine pipeline gas distributed monitoring system is that the mine environment sensing network comprises a sensor device, an alarm device, an integrated control server and a contact person terminal.

The sensor (110) is provided with a plurality of sensor devices, the sensor devices comprise a carbon monoxide sensor, a hydrogen sulfide sensor, a nitrogen dioxide sensor, a sulfur dioxide sensor, an ammonia sensor and a hydrogen sensor, and in order to distinguish the air quality of the inner space of indoor facilities and whether harmful gas occurs or not, the air quality and the concentration of various gases are measured in real time;

preferably, the sensors (110) transmit the measured air quality measurement information and the gas concentration information to the alarm device (130) via the CAN bus, and a plurality of the sensor devices (110) are arranged in the pipeline, in which case each sensor device (110) carries an identifiable message, the position of which is determined by an alarm device (130).

The alarm system (130) CAN monitor the quality of gas in the pipeline and the generation of harmful gas in real time, and the alarm system (130) CAN receive the air quality and gas concentration data from the sensor (110) in real time so as to judge the air quality and gas concentration condition in a period of time (such as tens of seconds to minutes). The alarm device (130) gives an alarm of a risk level such as safety, attention, alarm, avoidance, etc. according to the state of air quality and gas concentration. The alarm device (130) uses a warning tone or voice information to guide or alarm. At the moment, the alarm device (130) can output alarm sounds or voice messages with different frequencies to prompt or alarm;

preferably, when the determined state is the safe state, the alarm sound or the sound information is not output, and the alarm and avoidance state is prompted or alarmed by increasing the output intensity of the alarm sound or the sound information;

preferably, the alarm device (130) transmits monitoring information according to the indoor air quality and whether harmful gas is generated or not to the integrated control server (150) through the CAN bus, the alarm device (130) transmits the monitoring information to the terminal (170) of the person in charge in real time through the communication network (106), and the monitoring information includes the use, location, air quality monitoring information, respective concentration information of harmful gas, existing alarm states (i.e., safety, attention, alarm and avoidance), and the like.

Preferably, a plurality of sensor devices (110) are provided in the duct, and the alarm device (130) can discriminate the position of the sensor device (110) by using the identification information of each sensor device (110) and output a warning sound or voice information of different frequencies according to the discriminated position.

The invention relates to a preferable scheme of a CAN bus communication-based distributed monitoring system for mining pipeline gas, wherein the comprehensive control server (150) is configured to be connected with a plurality of alarm devices (130) through a communication network (104);

preferably, the integrated control server (150) collects, analyzes, processes and stores data such as gas quality status and presence or absence of harmful gas in the mining pipeline in advance, creates big data, the integrated control server (150) judges indoor air quality of indoor facilities and whether harmful gas is generated, sets and stores gas quality measurement information and reference values of each gas concentration in stages by using the constructed big data, and compares the concentrations of the gases with the reference values of each stage to judge whether the air quality of the indoor space and the harmful gas are in safe, attention, alarm and evacuation states.

Preferably, the integrated control server (150) receives the monitoring information from the respective alarm devices (130), monitors the air quality and the generation of harmful gas of all facilities of the pipeline, displays the monitoring information on an electronic map, and provides the monitoring information to the manager, by which the pipeline is integrally managed on a location basis, and the integrated control server (150) can analyze and process the monitoring information, and provide the manager with appropriate management information.

The contact person terminal is provided with a smart phone, a mobile application program for monitoring the gas quality and whether harmful gas is generated is installed in the contact person terminal, the contact person terminal transmits monitoring information in real time through an alarm device (130), and the mobile application program monitors the air quality of a related indoor space and whether harmful gas is generated.

Drawings

FIG. 1 is a schematic diagram of a downhole gas monitoring device 1, a base station 2, an antenna at the base station 3, and a mobile alarm device according to the present invention. 4. The miner 5, the underground mining line 6, the communication line 7, the base station cluster controller 8, the base station safety power supply 9, and the mobile equipment positioning unit position the base station. 10. Underground router 11, ground router 12, earth's surface 13, mobile alarm equipment and anticorrosive signal analysis unit. 14. Head office server 15, computerized work station

FIG. 2 is a system configuration diagram of the present invention

FIG. 3 is a view showing a sensor device according to the present invention

FIG. 4 is a view showing the alarm device of the present invention

FIG. 5 is a flow chart of the system processing steps of the present invention

Detailed Description

It should be noted that the embodiments and features of the embodiments can be combined with each other without conflict, and the present application will be further described in detail with reference to the drawings and specific embodiments.

As shown in fig. 1, the system for monitoring and alarming gas components in a mine pipeline based on CAN bus communication comprises a group of mobile alarm devices, a mine environment sensing network, mobile devices, base station Wi-Fi receiving devices, a base station cluster controller and a digital communication system;

in a pneumatically controlled mine, 1 base station of the mine scanning pneumatic control system is installed, and each base station is provided with two connecting antennas, such as WiFi. And the mobile alarm 3 comprises an internal mine environment sensor, is strengthened on No. 4 miner working equipment and moves at the bottom of No. 5 mine. For example, each mobile alert device 3 is connected to a plurality of base stations 1 via WiFi, the base stations 1 are connected to a base station 7 cluster controller (e.g., wires), and the base stations 7 may provide 8 base station power. In addition, each mobile device is provided with a unit for determining the position of the mobile device at the base station No. 9, each cluster comprises 7 cluster controllers and 12 base stations 1, the cluster base station controller 7 gives warning to 13 layers of mobile devices and signals through a group-related signal analyzer of an underground router 10 and a ground router 11 (classified as a blueprint conditional circuit ground 12), and a connection server head office 14 sends the warning back to an information screen computer workstation 15.

The underground network of the system consists of so-called clusters. Each cluster comprises 7 cluster controllers and 12 base stations 1. The cluster controller of the base station 7 provides a communication channel with the base stations (not shown) of the cluster 1 or with the routers of the underground network. The miners with mobile equipment 3 move with the mobile gas analyzer at the lower level of mine No. 5 while scanning and collecting local oil contamination information. Thus, the person (miner 4) who owns the independent mobile alarm device 3 acts as a scanning mine device.

Each mobile alert device 3 (provided by the unit with a position fix with respect to the base station 9) defines the signal level of the base station 1 and calculates its position. Another option is that each mobile alert device 3 (the location of which is provided by the unit with respect to the base station 9) defines the transmission delay from the base station 1 to the mobile device 1 and calculates its position. The mobile warning device and signal analysis unit 13 (function of the degree of fogging at a given location) receives and analyzes these signals. The coordinates are determined and matched to the anti-dust signal (consisting of one signal packet) according to the signals received by the nearest several base stations 1-the location of the mobile device 3 and the degree of anti-dust of number N within the time range are accurately determined. In addition, the system can also provide 3 emergency signals to the working miners, especially preservatives that exceed the danger level, by moving the alarm device. All these signals and the analysis results go to the server number 14, where a time line graph is built up at each moment in each coordinate and appears in graph form on a computerized screen of 15 work stations.

In the invention, the communication system is provided with a CAN bus and two devices which are connected in an auxiliary way through the CAN bus;

the equipment comprises a CAN control unit, an Asynchronous Serial Communication (ASC) interface unit and a switch, wherein the CAN control unit is suitable for transmission in a first transmission mode, CAN data are transmitted through a CAN bus with the help of a first physical protocol, the asynchronous serial communication interface unit or the ASC interface unit is suitable for transmission in a second transmission mode, and an ASC data frame is transmitted through the CAN bus with the help of a second physical protocol;

in the invention, the switch is designed to switch between a first transmission mode and said second transmission mode, the function of which is at least one protocol active between said apparatus and at least one other apparatus, and as a function of the protocol active between the first device and the second device, the first device is switched by the switching circuit between the first transmission mode and the second transmission mode, in said first predefined switching time window the first apparatus is switched from said first transmission mode to said second transmission mode, and in the second predefined switching window the first apparatus is switched from the second transmission mode to the first transmission mode.

In the invention, the first device is configured such that, when transmitting in the first transmission mode, a first device of the control unit transmits data frames which CAN periodically circulate on the CAN bus using a first bus clock pulse over a plurality of predefined TTCAN time windows, periodically occurring according to the predefined switching time windows of the first and second cycles; when transmitting in the second transmission mode, an Asynchronous Serial Communication (ASC) interface unit of the first device transmits ASC data frames over the CAN bus using a second bus clock pulse that is higher than the first bus clock pulse.

In the invention, a CAN control unit is configured to transmit CAN data frames through a CAN bus by using a first physical protocol in a plurality of predefined TTCAN time windows which periodically occur in a plurality of periods in a first transmission mode;

in the present invention, an Asynchronous Serial Communication (ASC) interface unit is configured to transmit ASC data frames in a second transmission mode over a CAN bus using a second physical protocol;

in the invention, a switch adapted to switch between a first transmission mode and a second transmission mode, as a function of a protocol, is active between at least one of the at least two devices and at least one other of the at least two devices, wherein in a first predefined switching time window a predefined number of devices are switched from the first transmission mode to the second transmission mode, and in a second predefined switching window a predefined number of devices are switched from the second transmission mode to the first transmission mode;

in the present invention, the first and second predefined switching time windows occur periodically according to a plurality of periods of the TTCAN time window;

in the invention, the control unit is configured to transmit the data frame on the CAN bus by using a first bus clock pulse transmission mode at the first time, and the ASC interface unit is configured to transmit the ASC data frame on the CAN bus by using a second bus clock pulse transmission mode at the second time, wherein the second bus clock pulse is higher than the first bus clock pulse.

The mine environment sensing network comprises a sensor device (110), an alarm device (130), an integrated control server (150), a contact terminal (170) and communication networks (102, 104 and 106).

In the invention, the sensor device (110) is provided with a plurality of sensor devices, the sensor devices comprise a carbon monoxide sensor, a hydrogen sulfide sensor, a nitrogen dioxide sensor, a sulfur dioxide sensor, an ammonia sensor and a hydrogen sensor, and in order to distinguish the air quality of the inner space of indoor facilities and whether harmful gas occurs or not, the air quality and the concentration of various gases are measured in real time;

in the invention, the sensors transmit measured air quality measurement information and gas concentration information to the alarm device (130) through the CAN bus, and a plurality of sensor devices are arranged in the pipeline, in this case, each sensor device is provided with a recognizable message, and the position of the sensor device is determined by the alarm device (130).

In the invention, the alarm system can monitor the quality of the gas in the pipeline and the generation of harmful gas in real time, and can receive the air quality and gas concentration data from the sensor in real time so as to judge the air quality and gas concentration condition in a period of time (such as tens of seconds to minutes). The alarm device gives an alarm of a risk level such as safety, attention, alarm, avoidance, etc. according to the state of air quality and gas concentration. The alarm device uses a warning tone or voice message to guide or alarm. At the moment, the alarm device can output alarm sounds or voice messages with different frequencies to prompt or alarm;

in the invention, when the judged state is the safe state, the alarm sound or the sound information is not output, and the alarm sound or the sound information is increased to prompt or alarm under the alarm and avoiding state;

in the invention, the alarm device transmits monitoring information according to the indoor air quality and whether harmful gas occurs to the comprehensive control server through the CAN bus, the alarm device transmits the monitoring information to a terminal machine of a responsible person in real time through a communication network, and the monitoring information comprises the use, position and air quality monitoring information of indoor facilities, the respective concentration information of the harmful gas, the existing alarm state (namely safety, attention, alarm and avoidance) and the like.

In the present invention, a plurality of sensor devices are provided in the pipeline, and the alarm device can discriminate the position of the sensor device by using the identification information of each sensor device and output warning sounds or voice information of different frequencies according to the discriminated position.

In the invention, the comprehensive control service (150) device is configured to be connected with a plurality of alarm devices through a communication network;

in the invention, an integrated control server (150) collects, analyzes, processes and stores data such as gas quality conditions and whether harmful gas exists in a mine pipeline in advance, establishes big data, judges the indoor air quality of indoor facilities and whether harmful gas can be generated or not, sets and stores gas quality measurement information and reference values of each gas concentration in stages by utilizing the established big data, and compares the gas concentrations with the reference values of each stage to judge whether the air quality of an indoor space and the harmful gas are in safe, attention, alarm and evacuation states or not.

In the invention, the comprehensive control server receives monitoring information from each alarm device, monitors the air quality of all facilities of the pipeline and the generation of harmful gas, displays the monitoring information on an electronic map and provides the monitoring information to a manager.

In the invention, the contact terminal (170) is provided with a smart phone, a mobile application program for monitoring the gas quality and whether harmful gas is generated is installed in the smart phone, the contact terminal transmits monitoring information in real time through an alarm device, and the mobile application program monitors the air quality of the relevant indoor space and whether harmful gas is generated.

As shown in fig. 2, the sensing device of the present invention is equipped with a plurality of sensing devices for measuring the air quality and the respective concentrations of various gases for measuring the air quality and the generation of harmful gases in the respective spaces in various indoor facilities. The sensors respectively detect the indoor air quality and harmful gas and transmit the indoor air quality and harmful gas to an alarm system.

Specifically, the sensor device includes a communication unit (112), a control unit (114), a sensing unit (116), an interface unit (118), and a power supply unit (120).

The communication unit (112) is connected to the alarm device via a wired communication network such as USB or RS-232C, or a short-range wireless communication network such as WiFi or Bluetooth. The communication unit receives control from the control unit and transmits in real time air quality measurement information and gas concentration information measured by the sensor unit.

The sensor unit (116) includes a plurality of sensors including a carbon monoxide sensor, a hydrogen sulfide sensor, a nitrogen dioxide sensor, a sulfur dioxide sensor, an ammonia sensor, and a hydrogen sensor, and further includes a dust sensor, a temperature sensor, a humidity sensor, and the like for measuring the air quality. The sensors transmit the air quality monitoring information and the gas concentration information measured by the sensors to the alarm device in real time through the communication part.

The interface unit (118) electrically connects external sensor modules that are added according to the indoor environment or the object of study. The interface portion may be connected to sensors that measure the concentration of various harmful gases or chemicals.

The power supply unit (120) supplies power to the sensor device via a rechargeable battery and an AC/DC adapter.

A control unit (114) controls the operations of the sensor device to perform processing and function linkage control, and measures whether or not leakage of harmful gas, air quality detection information, and various gas concentration information occur.

As shown in fig. 3, the alarm device (130) includes a communication unit (132), a control unit (134), an alarm lamp (136), a speaker (138), an indication unit (140), and a power supply unit (142).

The communication unit (132) is connected to a wired/wireless communication network connected to the sensor device (110), a wired/wireless communication network connected to the integrated regulation server (150), a wireless communication network connected to the contact terminal (170), a mobile communication network, and the like. A communication unit (132) receives gas quality measurement information and gas concentration information measured by the sensor (110), and transmits monitoring information generated by the control unit (134) to the integrated control server (150) and the contact terminal (170).

A control unit (134) sets and stores a plurality of reference values for the gas mass and the harmful gas measured by each of a plurality of sensors arranged in a sensor (110). The control section (134) of this example sets and stores the 1 st to 4 th base values of each of the air mass and the gas concentration.

Here, the gas mass at the first reference value is determined as a safe state, the gas mass at the second reference value is determined as an attentive state, the gas mass at the third reference value is determined as an alarm state, and the gas mass at the fourth reference value is determined as an evasive state. These reference values are determined by large data constructed on the unified regulation server (150).

The control unit (134) displays the states of the warning lamp (136), the speaker (138), and the indicator (140) on the basis of the comparison results of the 1 st to 4 th reference values. The control unit (134) controls the measured gas quality monitoring information and the gas concentration information, and displays the information on the indicator (140) in real time. If the concentration of the specific harmful gas measured by the control part (134) is more than the fourth standard price, the control alarm lamp (136) is judged to be a red alarm lamp to be on or repeatedly flickered, and simultaneously, the control alarm lamp warns or outputs control information through a loudspeaker (138). At this time, the controller (134) controls the output by increasing the output intensity of the warning sound or the prompt voice message step by step.

The alarm lamp (136) is provided with a light emitting diode lamp capable of irradiating at least one color phase, and displays different color phases or repeatedly displays one color phase according to the measured gas quality and harmful gas concentration under the control of the control part (134). The alarm lamp (136) is green in a safe state when the measured gas quality and the concentration of the harmful gas are measured, blue in an attention state, yellow in an alarm state, and red in an evacuation state.

The speaker (138) is controlled by the control unit (134) and has an adjustable output intensity, and is not activated when the air quality measurement information and the gas concentration information are in a safe state, and outputs a corresponding warning sound or a prompt sound when the measured gas concentration is in a caution state, an alarm state or a avoidance state.

A plurality of indication parts (140) are provided, and the numerical data of each measurement information is represented by different colors or numbers in stages according to the gas mass measurement information and each gas concentration information. The indicator indication part (140) is provided with a plurality of liquid crystal display subdivision modules, light emitting diode modules, led modules and the like, and is represented by 4 colors (for example, blue, green, yellow and red) in each stage according to the state of the air quality measurement information, and the gas concentration information can be represented according to data.

The power supply unit (142) supplies a driving power supply for the alarm device (130). A power supply (142) that provides power using alternating current.

The alarm devices (130) have identification information, and the location or place of the corresponding indoor facility is identified by the integrated control server (150). The identification information is provided in a communication unit (132) or a control unit (134) of the alarm device (130).

As shown in fig. 4, the integrated regulation server (150) is connected to a plurality of alarm devices (130) through a communication network (104) to different indoor facilities. The integrated control server (150) is provided with a control program for integrally controlling the quality of a plurality of gases and whether or not harmful gases are produced. The integrated control server (150) can analyze and process the monitoring information and provide appropriate management information to a manager according to the air quality and the generation of harmful gas.

The comprehensive control server (150) starts to collect, analyze, process and store the gas quality condition in the pipeline and whether harmful gas occurs in advance, and constructs big data and big data. The comprehensive control server (150) receives monitoring information from each alarm device (130) and monitors the quality of the gas in the pipeline and the generation of harmful gas. The integrated control server (150) provides the manager with appropriate management information for the safety management of the indoor facilities based on the monitoring information by using the big data, and performs effective management.

The integrated control server (150) includes a communication unit (152), a control unit (154), a big data management unit (156), a position determination unit (158), a monitoring unit (160), an alarm determination unit (162), and an alarm unit (164).

The communication unit (152) is connected to a plurality of alarm devices (130) via a communication network (104). The communication unit (152) is connected to a communication network (104) such as a wired/wireless communication network or a mobile communication network, and performs mutual data communication with the alarm device (130). A communication unit (152) transmits monitoring information from each direction of the alarm device (130). The communication unit (152) may be connected to a control center manager terminal of the integrated control server (150). The joint control server (150) can transmit monitoring information to a manager terminal, and the manager can confirm whether the gas quality and the harmful gas in the pipeline occur in real time.

The big data management part (156) collects, analyzes and processes various data in advance according to the gas quality condition and the generation condition of harmful gas, and establishes and stores big data. A big data management unit (156) creates and stores data such as gas quality and allowable concentration of harmful gas, concentration in an attention, alarm and evacuation state, and data such as coping plans in an air quality and harmful gas generation state, and constructs big data. A big data management unit (156) sets the reference values of the air quality measurement information and the gas concentration information in stages by using the constructed big data.

A position determination unit (158) registers and manages identification information of each alarm device (130), and the alarm devices (130) transmit air quality measurement information and gas concentration information, and then perform position determination based on the identification information of the corresponding alarm devices (130).

The monitoring unit (160) provides detailed air quality measurement information and various gas concentration information (e.g., air quality measurement concentration, allowable value of harmful gas, gas type, etc.) for the user to determine the position of the pipeline gas on the electronic map.

The alarm judging part (162) judges the quality of the relevant gas and whether the harmful gas is generated or not according to the monitoring information transmitted by each alarm device (130), and extracts and generates by using big data according to the management information of the safety, attention, alarm and avoiding state.

An alarm unit (164) prints out management information generated by the alarm determination unit (162) and presents a management plan, a policy, and the like to a manager. The alarm unit (164) can provide monitoring information and management information of the gas in the pipeline through the communication network (104) and a manager terminal.

The control unit (154) is responsible for processing the actions of the integrated regulation server (150). Whether the harmful gas will be generated or not is monitored by using big data based on whether the quality and the position of a plurality of gases are harmful gas, and corresponding management information is provided for a manager.

As shown in fig. 5, the mining pipeline gas composition monitoring and alarming system (100) of the present invention collects, analyzes and processes different data of air quality conditions and harmful gases of a plurality of indoor facilities by the joint control server (150) at the S200 stage, and builds and stores big data. The large data can judge the danger by stages according to the air quality and whether harmful gas occurs or not, and take counter measures rapidly according to the judgment result.

In the S210 stage, a plurality of sensing devices (110) are arranged in each pipeline, and the gas quality and the harmful gas concentration of the corresponding space are measured.

In the S220 stage, the measured air quality monitoring information and the gas concentration information are transmitted to the alarm device (130) through the communication network (102); at this time, the alarm device (130) is provided corresponding to an indoor facility, and the sensor (110) transmits information of the measured air quality and gas concentration in real time.

In the stage S230, the alarm device (130) compares the gas concentrations contained in the transmitted air quality monitoring information and gas concentration information with a plurality of reference values set at levels to determine whether the air quality and the harmful gas exist. Wherein, 4 standard values are set for each gas concentration, and the corresponding standard values respectively correspond to stages of safety, attention, alarm, avoidance and the like according to the air quality and the generation of harmful gases.

If the air quality detection information and the gas concentration information are judged to be in the first stage S240 to the safety stage respectively, the S250 is switched, and the alarm device (130) displays or informs that the air quality detection information and the gas concentration information are in the safety state by using the alarm lamp (136), the indicator lamp (140) and the loudspeaker (138). If the result of the determination is that the stage S260 has reached the attention stage, i.e., the second stage, the process proceeds to the stage S270, and the warning device (130) displays or notifies that the attention state is reached by using the warning lamp (136), the indicator lamp (140), and the speaker (138). If the determination result S280 reaches the third level of the alarm level, the operation is performed at S290, and the alarm device 130 indicates that the alarm state is established by using the alarm lamp 136, the indicator lamp 140 and the speaker 138. If the decision result shows that the evacuation stage is reached at stage S300, i.e. stage 4, the process is performed as stage S310, and the alarm device (130) displays or informs that the evacuation state is reached by using the alarm lamp (136), the indicating part (140) and the loudspeaker (138).

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various equivalent changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.