CN112413412A - Gas monitoring system and method based on combustion state detection - Google Patents
Gas monitoring system and method based on combustion state detection Download PDFInfo
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- CN112413412A CN112413412A CN202011237063.0A CN202011237063A CN112413412A CN 112413412 A CN112413412 A CN 112413412A CN 202011237063 A CN202011237063 A CN 202011237063A CN 112413412 A CN112413412 A CN 112413412A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/046—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Acoustics & Sound (AREA)
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a gas monitoring method based on combustion state detection, which comprises the following steps: starting; data acquisition and detection, namely detecting the gas flow through a gas detection module in real time, and detecting the combustion state of the gas through an infrared thermal imaging module; data comparison and judgment, namely judging whether gas output is abnormal or not by combining gas flow and gas combustion state; sending out an alarm signal, and sending out the alarm signal according to the judgment result; and emergency treatment, namely automatically closing an electric gas valve of the gas output pipeline according to the judged result. By adopting the technical scheme, the principle is simple, the technology is reasonable, the detection of gas output and the combustion state of the gas stove is combined, the monitoring precision is high, the condition of false alarm can not occur, the material cost is low, the integration to the traditional equipment is easy, and the market popularization is easy.
Description
Technical Field
The invention relates to the technical field of gas leakage prevention, in particular to a gas monitoring system and method based on combustion state detection.
Background
The popularization of the fuel gas improves the production efficiency and the life quality of people. However, in the process of using the gas, accidents such as gas explosion and poisoning caused by gas leakage and waste gas occur, which brings serious threat to the safety of life and property of people. Therefore, the safe use of gas has always been the focus of the work of gas authorities.
At present, the detection and monitoring of common gas leakage on the market are mainly divided into two types, one type is to detect the flow of a gas outlet, and the other type is to detect the indoor air quality. To a first kind of detection mode, can accomplish accurate detection to the output of gas, but the gas-cooker when using, has multiple fender position, and every keeps off the gas output of position different to the preparation different food also divides different duration of opening fire such as boiling fast, slowly stew, consequently the phenomenon of wrong report police appears very easily, perhaps automatic closing electric gas valve, thereby brings the inconvenience for the life. In the second detection and monitoring method, the air quality is detected through the air detection probe, but the concentration of the fuel gas cannot be detected, so that if the indoor air quality is poor, an alarm signal is sent, and the phenomenon of false alarm is easy to occur. Particularly, when the gas is used, a large amount of oil smoke is generated, so that the phenomenon of false alarm is more frequent. In addition, the natural gas pipeline is mostly used in cities, and the natural gas pipeline is all pre-buried in the wall body, so if the phenomenon of gas leakage occurs, the gas is generally in the wall body, and the space detection probe cannot detect, so that great potential safety hazards exist.
Disclosure of Invention
According to the defects of the prior art, the invention provides a gas monitoring system and a gas monitoring method based on combustion state detection, which can accurately detect whether gas leaks and send out an alarm signal in time.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a gas monitoring method based on combustion state detection comprises the following steps:
starting;
data acquisition and detection, namely detecting the gas flow through a gas detection module in real time, and detecting the combustion state of the gas through an infrared thermal imaging module;
data comparison and judgment, namely judging whether gas output is abnormal or not by combining gas flow and gas combustion state;
sending out an alarm signal, and sending out the alarm signal according to the judgment result;
and emergency treatment, namely automatically closing an electric gas valve of the gas output pipeline according to the judged result.
Preferably, the steps further comprise: and setting parameters, namely setting the peak values of the gas flow and the high-temperature continuous combustion time of the gas.
Preferably, the specific content of the step of data comparison determination includes:
the gas detection module detects data to judge whether gas is output or not, and the infrared thermal imaging module detects data to judge whether the output gas is in a combustion state or not;
whether gas is continuously output and reaches a flow peak value is judged through gas detection module detection data, and whether the gas is in a high-temperature combustion state and reaches a continuous combustion time peak value is judged through infrared thermal imaging module detection.
Preferably, the specific content of the step of sending the alarm signal includes:
when the infrared thermal imaging module detects that no combustion state exists, the gas detection module can still detect that continuous gas output exists, and the gas detection module is in a gas leakage state, an alarm signal is sent out, and meanwhile, the alarm signal is sent to the mobile terminal through the communication network;
when the infrared thermal imaging module detects that the infrared thermal imaging module is in a burning state and the gas detection module detects that no continuous gas is output, a fire disaster is sent indoors, an alarm signal is sent out, and meanwhile, the alarm signal is sent to the mobile terminal through the communication network;
when the gas detection module detects that the gas is continuously output and reaches a peak value, and meanwhile, the infrared thermal imaging module detects that the gas is in a combustion state, the continuous combustion time of the infrared thermal imaging module reaches the peak value, at the moment, due to the fact that the gas channel valve is forgotten to be closed, an alarm signal is sent out, and meanwhile, the alarm signal is sent to the mobile terminal through the communication network.
Preferably, the specific content of the emergency processing step includes:
and controlling the electric gas valve at the gas pipeline terminal to be closed while sending the alarm signal.
The invention also discloses a gas monitoring system based on combustion state detection, which comprises an MCU controller, a flow detection module, an infrared thermal imaging module, a power supply module, an alarm unit and an electric gas valve,
the flow detection module is arranged on a gas pipeline to be monitored and used for monitoring the output state and flow of gas on the gas pipeline in real time and sending detection data to the MCU controller;
the infrared thermal imaging module is arranged on a gas stove matched with the gas pipeline and used for monitoring the combustion state of the gas stove in real time and sending detection data to the MCU controller;
the MCU controller is respectively in signal connection with the flow detection module and the infrared thermal imaging module and is used for receiving data detected by the flow detection module and the infrared thermal imaging module, analyzing according to the data and outputting a control signal according to an analysis result;
the alarm unit is in signal connection with the MCU controller and is used for receiving a control signal output by the MCU controller and sending an alarm signal through the control signal;
the electric gas valve is arranged on the gas pipeline, is in signal connection with the MCU controller, and is used for receiving a control signal output by the MCU controller and closing the valve through the control signal;
and the power supply module is used for supplying power to the MCU controller, the flow detection module, the infrared thermal imaging module, the alarm unit and the electric gas valve.
Preferably, the flow detection module and the electric gas valve are in signal connection with the MCU through the wireless communication module.
Preferably, the mobile terminal further comprises a communication module, the communication module is connected with a serial port of the MCU controller, and the communication module is connected with the mobile terminal through a communication network.
Preferably, the communication module is TC35 i.
Preferably, the flow detection module comprises a flow pulse detector, an amplifying circuit and an A/D module which are sequentially connected in series, and the output end of the flow detection module is connected with the input end of the MCU controller.
Preferably, the infrared thermal imaging module comprises an infrared thermal imaging sensor, an amplifying circuit and an A/D module which are sequentially connected in series, and the output end of the infrared thermal imaging module is connected with the input end of the MCU controller.
Preferably, the power supply module comprises a power supply, a voltage transformation circuit and a voltage stabilizing circuit, and the voltage stabilizing circuit is respectively connected with the flow detection module, the infrared thermal imaging module and the MCU controller.
Preferably, the MCU controller is an HC32L170JATA singlechip, and the output end of the flow detection module is connected with a PA08 interface of the HC32L170JATA singlechip.
Preferably, the infrared thermal imaging sensor is HTPA-32X32d, an SDA end of the HTPA-32X32d is connected with a PA10 interface of the HC32L170JATA singlechip, and an SCL end of the HTPA-32X32d is connected with a PA11 interface of the HC32L170JATA singlechip.
Preferably, the wireless communication module is an HC-12 wireless module, the RXD end of the HC-12 wireless module is connected with a PB06/TX0 interface of the HC32L170JATA singlechip, and the TXD end of the HC-12 wireless module is connected with a PB07/RX0 interface of the HC32L170JATA singlechip.
Preferably, a PA05 interface of the HC32L170JATA singlechip is connected with the alarm unit.
The invention has the following characteristics and beneficial effects:
by adopting the technical scheme, the principle is simple, the technology is reasonable, the detection of gas output and the combustion state of the gas stove is combined, the monitoring precision is high, the condition of false alarm can not occur, the material cost is low, the integration to the traditional equipment is easy, and the market popularization is easy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of the system of the present invention.
FIG. 2 is a schematic block diagram of the system of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
The embodiment also discloses a gas monitoring system based on combustion state detection, which comprises an MCU controller, a flow detection module, an infrared thermal imaging module, a power supply module, an alarm unit and an electric gas valve as shown in figure 1,
the flow detection module is arranged on a gas pipeline to be monitored and used for monitoring the output state and flow of gas on the gas pipeline in real time and sending detection data to the MCU controller;
the infrared thermal imaging module is arranged on a gas stove matched with the gas pipeline and used for monitoring the combustion state of the gas stove in real time and sending detection data to the MCU controller;
the MCU controller is respectively in signal connection with the flow detection module and the infrared thermal imaging module and is used for receiving data detected by the flow detection module and the infrared thermal imaging module, analyzing according to the data and outputting a control signal according to an analysis result;
the alarm unit is in signal connection with the MCU controller and is used for receiving a control signal output by the MCU controller and sending an alarm signal through the control signal;
the electric gas valve is arranged on the gas pipeline, is in signal connection with the MCU controller, and is used for receiving a control signal output by the MCU controller and closing the valve through the control signal;
and the power supply module is used for supplying power to the MCU controller, the flow detection module, the infrared thermal imaging module, the alarm unit and the electric gas valve.
According to the technical scheme, the infrared thermal imaging technology and the wireless Internet of things technology are adopted to calculate whether the stove normally works or not and whether the potential safety hazard of gas use exists or not according to the data of the temperature of the stove and the flow change of gas. The scheme is composed of an infrared thermal imaging module, a flow detection module on a gas meter, an electric gas valve and an MCU controller.
Specifically, the infrared thermal imaging module is arranged near the stove or the stove, so that the temperature condition of flame of the stove can be monitored, and whether the stove has flame or the size of the flame and other conditions can be judged. The flow detection module of the gas meter can collect real-time flow information of the gas in the pipeline in real time and can monitor whether the gas is in a use state or not and the flow condition when the gas is used. The electric gas valve control device can be arranged in a gas meter or externally arranged in a gas pipeline and is used for cutting off the supply of gas under the condition of abnormal or dangerous gas use.
Thereby, the following conditions 4 can be accurately detected:
1. forgetting to shut off the fire: the gas meter detects continuous flow, the thermal imaging detects high-temperature flame, the flame duration reaches the set maximum duration, and the gas is regarded as abnormal gas utilization. Thereby being capable of facing the potential safety hazard existing in the continuous high-temperature combustion of the gas stove.
2. The gas meter flow detects that continuous large flow exists, and the thermal imaging does not detect high-temperature flame, lasts for a short period of time, and the gas leakage can be regarded as the gas leakage. Thereby can in time control electronic gas valve close, must avoid gas to continuously leak, cause great loss and potential safety hazard, in addition, in time inform the user through various modes, in time ventilate indoor, avoid causing harm to life, maintain the gas pipeline simultaneously.
3. The gas meter flow detects continuous small flow, the thermal imaging does not detect high-temperature flame, the duration reaches the maximum duration threshold value, and the gas leakage at the small flow can be regarded as gas leakage, so that the electric gas valve can be controlled to be closed in time, the continuous gas leakage is avoided, the major loss and the potential safety hazard are caused.
4. The flow of the gas meter is not detected, the thermal imaging detects high-temperature flame for a short time, and the kitchen fire accident can be regarded as the time. Therefore, the electric gas valve can be controlled to be closed in time, continuous gas leakage is avoided, and major loss and potential safety hazards are caused.
The flow detection module and the electric gas valve are in signal connection with the MCU through the wireless communication module. The wireless communication module is an HC-12 wireless module, the RXD end of the HC-12 wireless module is connected with a PB06/TX0 interface of the HC32L170JATA singlechip, and the TXD end of the HC-12 wireless module is connected with a PB07/RX0 interface of the HC32L170JATA singlechip.
It is understood that the wireless communication module can also transmit data through the bluetooth module.
The mobile terminal further comprises a communication module, wherein the communication module is connected with a serial port of the MCU controller and is connected with the mobile terminal through a communication network. Wherein the communication module is TC35 i.
Through setting up communication module, can in time interact with mobile terminal. The mobile terminal comprises a smart phone, an IPAD and other handheld terminals which can realize the installation of an alarm APP program and provide vibration alarm and/or sound alarm; the intelligent mobile terminal is preferably a smart phone.
The communication module is any one of a GSM communication module and a 2G/3G/4G/5G communication module. The same is matched with a GSM network and a 2G/3G/4G/5G network.
The intelligent mobile phone can realize the reminding of the dangerous case of the user through vibration alarm and/or sound alarm; the peripheral linkage device is used for realizing emergency treatment of opening the ventilation window, cutting off a power supply, closing a gas valve and opening the spraying system according to the MCU controller; a cloud platform can be additionally arranged for being connected with a fire safety management mechanism so that the fire safety management mechanism can timely deal with and process the dangerous case alarm data after checking the dangerous case alarm data; meanwhile, the system can also control nearby camera devices to record videos so as to facilitate the later retrieval of videos and the analysis of reasons for fire safety accidents, thereby facilitating the later improvement of fire safety.
Specifically, the flow detection module comprises a flow pulse detector, an amplifying circuit and an A/D module which are sequentially connected in series, and the output end of the flow detection module is connected with the input end of the MCU controller.
Wherein, adopt the pulse detection mode, rotate the gas table and turn into pulse signal through hall device and magnet steel. The period of the pulse signal reflects the magnitude of the flow.
Specifically, the infrared thermal imaging module comprises an infrared thermal imaging sensor, an amplifying circuit and an A/D module which are sequentially connected in series, and the output end of the infrared thermal imaging module is connected with the input end of the MCU controller. The power supply module comprises a power supply, a voltage transformation circuit and a voltage stabilizing circuit, wherein the voltage stabilizing circuit is respectively connected with the flow detection module, the infrared thermal imaging module and the MCU controller.
Specifically, the MCU controller is an HC32L170JATA single chip microcomputer, and an output end of the flow detection module is connected to a PA08 interface of the HC32L170JATA single chip microcomputer. The infrared thermal imaging sensor is HTPA-32X32d, the SDA end of the HTPA-32X32d is connected with the PA10 interface of the HC32L170JATA singlechip, and the SCL end of the HTPA-32X32d is connected with the PA11 interface of the HC32L170JATA singlechip. The wireless communication module is an HC-12 wireless module, the RXD end of the HC-12 wireless module is connected with a PB06/TX0 interface of the HC32L170JATA singlechip, and the TXD end of the HC-12 wireless module is connected with a PB07/RX0 interface of the HC32L170JATA singlechip. And a PA05 interface of the HC32L170JATA singlechip is connected with an alarm unit.
Wherein, the alarm unit is a sound-light alarm.
It should be noted that the HC32L170JATA single chip microcomputer, the flow pulse detector and the infrared thermal imaging sensor are all conventional electrical elements or devices, and the connection structure thereof is not described in detail in the present invention.
It can be understood that a key connected with the MCU controller is used for resetting the alarm unit, and a display screen is used for displaying the detection data of the flow detection module and the infrared thermal imaging module.
Example 2
The invention provides a gas monitoring method based on combustion state detection, as shown in figure 2, the steps include:
starting;
data acquisition and detection, namely detecting the gas flow through a gas detection module in real time, and detecting the combustion state of the gas through an infrared thermal imaging module;
data comparison and judgment, namely judging whether gas output is abnormal or not by combining gas flow and gas combustion state;
sending out an alarm signal, and sending out the alarm signal according to the judgment result;
and emergency treatment, namely automatically closing an electric gas valve of the gas output pipeline according to the judged result.
Further, the steps further include: and setting parameters, namely setting the peak values of the gas flow and the high-temperature continuous combustion time of the gas.
Wherein, the peak value of the continuous output of the gas flow is set as 240Nm3/h, and the peak value of the continuous high-temperature combustion time of the gas stove is set as 1-2 hours.
Specifically, the specific content of the step of data comparison determination includes:
the gas detection module detects data to judge whether gas is output or not, and the infrared thermal imaging module detects data to judge whether the output gas is in a combustion state or not;
whether gas is continuously output and reaches a flow peak value is judged through gas detection module detection data, and whether the gas is in a high-temperature combustion state and reaches a continuous combustion time peak value is judged through infrared thermal imaging module detection.
Through above-mentioned technical scheme, can carry out accurate detection to following 4 circumstances:
1. forgetting to shut off the fire: the gas meter detects continuous flow, the thermal imaging detects high-temperature flame, the flame duration reaches the set maximum duration, and the gas is regarded as abnormal gas utilization. Thereby being capable of facing the potential safety hazard existing in the continuous high-temperature combustion of the gas stove.
2. The gas meter flow detects that continuous large flow exists, and the thermal imaging does not detect high-temperature flame, lasts for a short period of time, and the gas leakage can be regarded as the gas leakage. Thereby can in time control electronic gas valve close, must avoid gas to continuously leak, cause great loss and potential safety hazard, in addition, in time inform the user through various modes, in time ventilate indoor, avoid causing harm to life, maintain the gas pipeline simultaneously.
3. The gas meter flow detects continuous small flow, the thermal imaging does not detect high-temperature flame, the duration reaches the maximum duration threshold value, and the gas leakage at the small flow can be regarded as gas leakage, so that the electric gas valve can be controlled to be closed in time, the continuous gas leakage is avoided, the major loss and the potential safety hazard are caused.
4. The flow of the gas meter is not detected, the thermal imaging detects high-temperature flame for a short time, and the kitchen fire accident can be regarded as the time. Therefore, the electric gas valve can be controlled to be closed in time, continuous gas leakage is avoided, and major loss and potential safety hazards are caused.
Therefore, all possibilities of gas use are accurately detected and monitored, the detection precision is high, and the phenomenon of false alarm cannot occur. The safety of gas use is greatly improved.
Specifically, the specific content of the step of sending the alarm signal includes:
when the infrared thermal imaging module detects that no combustion state exists, the gas detection module can still detect that continuous gas output exists, and the gas detection module is in a gas leakage state, an alarm signal is sent out, and meanwhile, the alarm signal is sent to the mobile terminal through the communication network;
when the infrared thermal imaging module detects that the infrared thermal imaging module is in a burning state and the gas detection module detects that no continuous gas is output, a fire disaster is sent indoors, an alarm signal is sent out, and meanwhile, the alarm signal is sent to the mobile terminal through the communication network;
when the gas detection module detects that the gas is continuously output and reaches a peak value, and meanwhile, the infrared thermal imaging module detects that the gas is in a combustion state, the continuous combustion time of the infrared thermal imaging module reaches the peak value, at the moment, due to the fact that the gas channel valve is forgotten to be closed, an alarm signal is sent out, and meanwhile, the alarm signal is sent to the mobile terminal through the communication network.
Specifically, the specific content of the emergency processing step includes:
and controlling the electric gas valve at the gas pipeline terminal to be closed while sending the alarm signal.
Through setting up communication module, can in time interact with mobile terminal. The mobile terminal comprises a smart phone, an IPAD and other handheld terminals which can realize the installation of an alarm APP program and provide vibration alarm and/or sound alarm; the intelligent mobile terminal is preferably a smart phone.
The intelligent mobile phone can realize the reminding of the dangerous case of the user through vibration alarm and/or sound alarm; the peripheral linkage device is used for realizing emergency treatment of opening the ventilation window, cutting off a power supply, closing a gas valve and opening the spraying system according to the MCU controller; a cloud platform can be additionally arranged for being connected with a fire safety management mechanism so that the fire safety management mechanism can timely deal with and process the dangerous case alarm data after checking the dangerous case alarm data; meanwhile, the system can also control nearby camera devices to record videos so as to facilitate the later retrieval of videos and the analysis of reasons for fire safety accidents, thereby facilitating the later improvement of fire safety.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments, including the components, without departing from the principles and spirit of the invention, and still fall within the scope of the invention.
Claims (10)
1. A gas monitoring method based on combustion state detection is characterized by comprising the following steps:
starting;
data acquisition and detection, namely detecting the gas flow through a gas detection module in real time, and detecting the combustion state of the gas through an infrared thermal imaging module;
data comparison and judgment, namely judging whether gas output is abnormal or not by combining gas flow and gas combustion state;
sending out an alarm signal, and sending out the alarm signal according to the judgment result;
and emergency treatment, namely automatically closing an electric gas valve of the gas output pipeline according to the judged result.
2. The combustion state detection-based gas monitoring method according to claim 1, characterized in that the steps further comprise: and setting parameters, namely setting the peak values of the gas flow and the high-temperature continuous combustion time of the gas.
3. The combustion state detection-based gas monitoring method according to claim 2, wherein the specific content of the data comparison and determination step includes:
the gas detection module detects data to judge whether gas is output or not, and the infrared thermal imaging module detects data to judge whether the output gas is in a combustion state or not;
whether gas is continuously output and reaches a flow peak value is judged through gas detection module detection data, and whether the gas is in a high-temperature combustion state and reaches a continuous combustion time peak value is judged through infrared thermal imaging module detection.
4. The gas monitoring method based on combustion state detection as claimed in claim 3, wherein the step of sending out the alarm signal comprises the following specific contents:
when the infrared thermal imaging module detects that no combustion state exists, the gas detection module can still detect that continuous gas output exists, and the gas detection module is in a gas leakage state, an alarm signal is sent out, and meanwhile, the alarm signal is sent to the mobile terminal through the communication network;
when the infrared thermal imaging module detects that the infrared thermal imaging module is in a burning state and the gas detection module detects that no continuous gas is output, a fire disaster is sent indoors, an alarm signal is sent out, and meanwhile, the alarm signal is sent to the mobile terminal through the communication network;
when the gas detection module detects that the gas is continuously output and reaches a peak value, and meanwhile, the infrared thermal imaging module detects that the gas is in a combustion state, the continuous combustion time of the infrared thermal imaging module reaches the peak value, at the moment, due to the fact that the gas channel valve is forgotten to be closed, an alarm signal is sent out, and meanwhile, the alarm signal is sent to the mobile terminal through the communication network.
5. The gas monitoring method based on combustion state detection as claimed in claim 3, wherein the step of emergency treatment comprises:
and controlling the electric gas valve at the gas pipeline terminal to be closed while sending the alarm signal.
6. The monitoring system of the gas monitoring method based on the combustion state detection as claimed in any one of claims 1 to 5, comprising an MCU controller, a flow detection module, an infrared thermal imaging module, a power supply module, an alarm unit and an electric gas valve,
the flow detection module is arranged on a gas pipeline to be monitored and used for monitoring the output state and flow of gas on the gas pipeline in real time and sending detection data to the MCU controller;
the infrared thermal imaging module is arranged on a gas stove matched with the gas pipeline and used for monitoring the combustion state of the gas stove in real time and sending detection data to the MCU controller;
the MCU controller is respectively in signal connection with the flow detection module and the infrared thermal imaging module and is used for receiving data detected by the flow detection module and the infrared thermal imaging module, analyzing according to the data and outputting a control signal according to an analysis result;
the alarm unit is in signal connection with the MCU controller and is used for receiving a control signal output by the MCU controller and sending an alarm signal through the control signal;
the electric gas valve is arranged on the gas pipeline, is in signal connection with the MCU controller, and is used for receiving a control signal output by the MCU controller and closing the valve through the control signal;
the power supply module is used for supplying power to the MCU controller, the flow detection module, the infrared thermal imaging module, the alarm unit and the electric gas valve, the flow detection module and the electric gas valve are in signal connection with the MCU controller through the wireless communication module, the power supply module further comprises a communication module, the communication module is in serial port connection with the MCU controller, and the communication module is connected with the mobile terminal through a communication network.
7. The combustion condition detection-based gas monitoring system according to claim 6, wherein the communication module is TC35 i.
8. The gas monitoring system based on combustion state detection of claim 6, wherein the flow detection module comprises a flow pulse detector, an amplification circuit and an A/D module which are connected in series in sequence, and the output end of the flow detection module is connected with the input end of the MCU controller.
9. The gas monitoring system based on combustion state detection according to claim 6, wherein the infrared thermal imaging module comprises an infrared thermal imaging sensor, an amplifying circuit and an A/D module which are sequentially connected in series, and an output end of the infrared thermal imaging module is connected with an input end of the MCU controller.
10. The gas monitoring system based on combustion state detection of claim 6, wherein the power supply module comprises a power supply, a voltage transformation circuit and a voltage stabilizing circuit, and the voltage stabilizing circuit is respectively connected with the flow detection module, the infrared thermal imaging module and the MCU controller.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113368433A (en) * | 2021-07-01 | 2021-09-10 | 广东德臻消防机电工程有限公司 | Fire fighting system and method |
| CN113883723A (en) * | 2021-09-29 | 2022-01-04 | 广东万和新电气股份有限公司 | Control method of gas water heater, computer equipment and storage medium |
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| CN210601078U (en) * | 2019-07-26 | 2020-05-22 | 安徽泛米科技有限公司 | Kitchen combustible gas leakage alarm detection system |
| CN111627183A (en) * | 2020-06-10 | 2020-09-04 | 烟台艾睿光电科技有限公司 | Fire-fighting early warning linkage system |
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| CN101629675A (en) * | 2009-08-11 | 2010-01-20 | 彭亦程 | Indoor gas leakage protecting method and indoor gas leakage protecting device |
| WO2016065626A1 (en) * | 2014-10-31 | 2016-05-06 | 深圳市大疆创新科技有限公司 | Gas leakage processing method and apparatus, and air vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113368433A (en) * | 2021-07-01 | 2021-09-10 | 广东德臻消防机电工程有限公司 | Fire fighting system and method |
| CN113883723A (en) * | 2021-09-29 | 2022-01-04 | 广东万和新电气股份有限公司 | Control method of gas water heater, computer equipment and storage medium |
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