CN114859006A - Combustible gas detection method, system and terminal equipment - Google Patents
Combustible gas detection method, system and terminal equipment Download PDFInfo
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Abstract
The application relates to a combustible gas detection method, a system and terminal equipment, wherein the method comprises the steps of detecting whether combustible gas leaks in each household in a target household group; if combustible gas leakage exists in the target user group, calling monitoring equipment to judge whether people exist in the target user group; if someone is in the room, an alarm is given; if no person is in the room, starting an exhaust fan, obtaining the concentration of the combustible gas of the target user and judging whether the concentration of the combustible gas reaches a danger threshold value; if the concentration of the combustible gas cannot reach the dangerous threshold value, continuing to keep the fan on; and if the concentration of the combustible gas reaches a dangerous threshold, closing the indoor power supply of the target user and giving an alarm. When combustible gas leaks and leaks, the combustible gas leakage treatment device can be used for carrying out different treatment conditions according to whether people exist indoors or not, and different treatment measures are taken according to the concentration difference of the combustible gas, so that the accident occurrence probability is reduced, and the personal safety is protected to the greatest extent.
Description
Technical Field
The present application relates to the field of gas detection, and in particular, to a method, a system, and a terminal device for detecting a combustible gas.
Background
The existence of combustible gases such as gas, natural gas and coal gas is greatly convenient for the daily life of people, the combustible gases are frequently used by people to generate fire, cook and heat water heaters, but the combustible gases are harmful, and once leakage occurs, the situations of fire explosion and the like can be caused, and the fire explosion and the like can cause great threat to the life health and property of people.
In the related art, when the combustible gas leaks, the combustible gas leakage is treated after a person perceives the combustible gas with pungent smell, and the gas valve is manually closed.
In view of the above-mentioned related art, the inventor believes that, if the leakage of the combustible gas occurs, if no one is in the home or people are at rest, the leakage of the combustible gas cannot be detected and processed in time, and the probability of the occurrence of the accident is greatly increased.
Disclosure of Invention
In order to reduce accidents caused by gas leakage and protect personal safety, the application provides a combustible gas detection method, a combustible gas detection system and terminal equipment.
The method, the system and the terminal equipment for detecting the combustible gas adopt the following technical scheme:
a combustible gas detection method comprises the steps of detecting whether combustible gas leaks from each household in a target household group;
if combustible gas leakage exists in the target user group, calling monitoring equipment to judge whether people exist in the target user group;
if someone is in the room, an alarm is given;
if no person is in the room, starting an exhaust fan and obtaining the concentration of the combustible gas of the target user;
judging whether the concentration of the combustible gas reaches a danger threshold value;
if the concentration of the combustible gas does not reach the dangerous threshold value, removing the alarm and continuously keeping the fan on;
and if the concentration of the combustible gas reaches the danger threshold, closing the indoor power supply of the target user and giving an alarm.
By adopting the technical scheme, the combustible gas usually covers one area, the combustible gas in the same area is the same in type, when the combustible gas leakage in the target user group is obtained, the specific target user with combustible gas leakage is positioned, whether a person exists in the target user is judged through the monitoring equipment, when someone is in the room, in order to ensure the safety of the people to the maximum extent, an alarm is directly sent to remind the people that the combustible gas leaks, when no person is in the room, the exhaust fan is started to exhaust part of the combustible gas, and the concentration of the current combustible gas in the room is obtained, if the concentration continues to increase and eventually reaches a dangerous threshold, the indoor power supply is turned off and an alarm is given, preventing the electric spark from igniting the combustible gas, and if the concentration of the combustible gas cannot be continuously increased under the action of the exhaust fan, keeping the fan to be continuously started. When the combustible gas leaks, different treatment conditions are carried out according to the existence of people in a room, and different treatment measures are taken according to the concentration difference of the combustible gas, so that the accident occurrence probability is reduced, and the personal safety is protected to the greatest extent.
Optionally, the monitoring device includes an infrared sensor, and the calling the monitoring device to determine whether someone is in the room includes:
judging whether human existence is detected or not according to human body temperature data acquired by the infrared sensor arranged in a target room;
if the human body temperature data are detected, judging that people exist in the room;
and if the human body temperature data cannot be detected, judging that no person exists indoors.
Through adopting above-mentioned technical scheme, when supervisory equipment is infrared sensor, when infrared sensor can detect human temperature data, indoor just someone, if can not detect human temperature data when, indoor nobody exists, can discern indoor nobody fast through infrared sensor.
Optionally, the monitoring device includes a camera, and the calling of the monitoring device to determine whether someone is in the room includes:
acquiring human body image data through the camera arranged at the doorway of the target user;
acquiring the number of people entering the target user and the number of people leaving the target user based on the human body image data;
if the number of people entering the target user is equal to the number of people leaving the target user, judging that no people exist in the room;
and if the number of people entering the target user is larger than the number of people leaving the target user, judging that people exist in the room.
By adopting the technical scheme, the door of the camera is installed on the door of the target user, the number of people entering the target user and coming in and out of the target user can be clearly known according to the image data shot by the camera, and specific people entering the target user or leaving the target user can also be known through the image data. When people exist or do not exist in the room, different treatment measures are taken for gas leakage.
Optionally, after there is a combustible gas leak in the target user group, the method includes:
acquiring the number of target users with combustible gas leakage in the target user group;
judging whether the number of the target user reaches a threshold value of the number of the user;
if the number of the target user reaches the threshold value of the number of the user, closing the general brake of the target user group;
and if the number of the target users does not reach the user number threshold value, the power supply of the target users is turned off.
By adopting the technical scheme, when a plurality of users in the target user group have gas leakage, if the number of the target users reaches the set threshold value of the number of the users, the master gate of the target user group is directly closed, the combustible gas of the whole target user group is closed, the reason is conveniently checked, and if only a small number of the target users have gas leakage, the power supply of the target users is closed, so that the electric spark is prevented from igniting the combustible gas.
Optionally, after the indoor power of the target user is turned off and an alarm is issued, the method includes:
detecting whether an indoor power supply of a target user is disconnected;
and if the indoor power supply of the target user is not disconnected, closing the power supply main gate of the target user group.
By adopting the technical scheme, when the indoor power supply of the target user cannot be timely disconnected, in order to prevent the combustible gas from being ignited to cause explosion and damage to the whole target user group, the power supply main gate of the target user group is directly closed, and power transmission is recovered after the combustible gas is treated.
Optionally, the turning off the power master gate of the target subscriber group includes:
acquiring a fire telephone of a target user group;
transmitting gas leak information to the fire fighting phone based on the fire fighting phone, the gas leak information including a type of the gas leak and a location of the leak.
By adopting the technical scheme, after the target user is powered off, the combustible gas cannot be ignited by the electric spark to explode in a short time, the fire phone number of the target user group is acquired, the information of gas leakage is sent to fire fighting, professional personnel are required to solve the problem of combustible gas leakage, and loss is reduced to the minimum.
Optionally, the starting the exhaust fan and obtaining the concentration of the combustible gas of the target user and determining whether the concentration of the combustible gas reaches the danger threshold includes:
acquiring the current concentration of the combustible gas of the target user;
acquiring the concentration of the combustible gas at the next moment of the target user;
determining whether the combustible gas concentration will reach the hazard threshold based on the current combustible gas concentration and the combustible gas concentration at the next time.
Through adopting above-mentioned technical scheme, after detecting current combustible gas concentration, because the exhaust fan is at outside exhaust gas, according to the combustible gas concentration at current combustible gas concentration and next moment this moment, according to the variable quantity of the combustible gas's between two time differences concentration, judge whether combustible gas finally can reach dangerous threshold value, if the exhaust fan can be with the gaseous discharge of leakage, just do not carry out other processings, save manpower resources.
In a second aspect, the present application provides a combustible gas detection system comprising:
the detection module is used for detecting whether combustible gas leaks in each household in the target household group;
the monitoring module is used for calling monitoring equipment to judge whether people exist in the target user room or not if the combustible gas leakage exists in the target user group;
the alarm module is used for giving an alarm if a person is in the room;
the acquisition module is used for starting an exhaust fan and acquiring the concentration of the combustible gas of the target user and judging whether the concentration of the combustible gas reaches a danger threshold value or not if no person is in the room;
the first execution module is used for keeping the fan on continuously if the concentration of the combustible gas cannot reach the danger threshold;
and the second execution module is used for turning off the indoor power supply of the target user and giving an alarm if the concentration of the combustible gas reaches the danger threshold.
By adopting the technical scheme, after the detection module detects that the combustible gas leakage exists in the target user group, the monitoring module locates the target user with the combustible gas leakage, and judges whether a person is indoors or not through the monitoring equipment, the alarm module gives an alarm under the condition that the person is present, the acquisition module starts the exhaust fan under the condition that the person is absent, and simultaneously acquires the current combustible gas concentration of the target user and judges whether the combustible gas concentration reaches the danger threshold value or not, when the combustible gas concentration cannot reach the danger threshold value, the first execution module keeps the fan on, and when the combustible gas leakage reaches the danger threshold value, the second execution module closes the indoor power supply and gives an alarm, when the combustible gas leakage occurs, different processing conditions are carried out according to the existence of the person in the room, and different processing measures are taken according to the concentration difference of the combustible gas, so that the occurrence probability of accidents is reduced, but also protects the personal safety to the maximum extent.
In a third aspect, the present application provides a terminal device, which adopts the following technical solution:
a terminal device comprising a memory, a processor and a computer program stored in the memory and capable of running on the processor, the processor when loading and executing the computer program, employing a combustible gas detection method as described above.
By adopting the technical scheme, the combustible gas detection method generates the computer program, and the computer program is stored in the memory to be loaded and executed by the processor, so that the terminal equipment is manufactured according to the memory and the processor, and the use is convenient.
To sum up, the application comprises the following beneficial technical effects:
the combustible gas usually covers one area, the combustible gas in the same area is the same in type, when the combustible gas leakage is obtained in a target user group, the specific target user with the combustible gas leakage is located at the moment, whether a person exists in the target user is judged through monitoring equipment, when the person exists, in order to guarantee the safety of the person to the maximum extent, an alarm is directly sent out to remind the person that the combustible gas leakage exists, when the person does not exist, an exhaust fan is started to exhaust part of the combustible gas, the concentration of the current combustible gas in the room is obtained, if the concentration continuously increases and finally reaches a danger threshold value, an indoor power supply is turned off, the alarm is sent out, the electric spark is prevented from igniting the combustible gas, and if the concentration of the combustible gas cannot be continuously increased under the action of the exhaust fan, the fan is kept to be turned on continuously. When the combustible gas leaks, different treatment conditions are carried out according to the existence of people in a room, and different treatment measures are taken according to the concentration difference of the combustible gas, so that the accident occurrence probability is reduced, and the personal safety is protected to the greatest extent.
Drawings
FIG. 1 is a flow chart of a method for detecting a combustible gas according to an embodiment of the present disclosure;
fig. 2 is a flowchart illustrating a method for calling a monitoring device to determine whether a person is present in a room according to an embodiment of the present application, where the monitoring device includes an infrared sensor;
fig. 3 is a flowchart of a method for calling monitoring equipment to determine whether a person is in a room according to an embodiment of the present application, where the monitoring equipment includes a camera;
FIG. 4 is a flow chart of a method after a combustible gas leak exists in the target group of users according to an embodiment of the present application;
FIG. 5 is a flowchart of a method after powering down the target user's indoor power supply and issuing an alarm according to an embodiment of the present disclosure;
FIG. 6 is a flowchart of a method after closing a power bus of the target subscriber group according to an embodiment of the present disclosure;
FIG. 7 is a flowchart illustrating a method for starting an exhaust fan and obtaining a concentration of a flammable gas of the target user and determining whether the concentration of the flammable gas reaches a dangerous threshold according to an embodiment of the present disclosure;
fig. 8 is a system block diagram of a combustible gas detection system according to an embodiment of the present application.
Description of reference numerals:
1. a detection module; 2. a monitoring module; 3. an alarm module; 4. an acquisition module; 5. a first execution module; 6. and a second execution module.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
A combustible gas detection method, referring to fig. 1, comprising:
s100, detecting whether combustible gas leaks in each household in the target household group.
The target user group is a set formed by a plurality of target users in one area. For example, there are 100 target users in a cell, then the 100 target users form a target user group.
And S110, if the combustible gas leakage exists in the target user group, calling monitoring equipment to judge whether people exist in the target user group.
Detecting each household in the target household group, calling the monitoring equipment when the target household has gas leakage, judging whether the target household has a person, and executing the step S120 when the target household has a person or executing the step S130 when the target household has no person according to whether the target household has a person or not.
And S120, if the person is in the room, giving an alarm.
When people exist, in order to guarantee personal safety to the maximum extent, the alarm is directly sent out to remind people in a room of gas leakage, and when the people in the room can not process the gas leakage, the people leave the room as soon as possible.
S130, if no person is in the room, starting an exhaust fan, obtaining the concentration of the combustible gas of the target user, and judging whether the concentration of the combustible gas reaches a danger threshold value.
When no person is in the room and gas leakage occurs, the exhaust fan discharges a part of the combustible gas, judges whether the concentration of the combustible gas reaches a danger threshold value according to the increasing speed and the discharging speed, executes step S130 when the concentration of the combustible gas reaches the danger threshold value, and executes step S140 when the concentration of the combustible gas does not reach the danger threshold value.
And S140, if the concentration of the combustible gas cannot reach the danger threshold, continuing to keep the fan on.
When the combustible gas is judged not to reach the danger threshold value, the written combustible gas can be discharged or the combustible gas leakage speed is lower than or equal to the combustible gas discharging speed of the exhaust fan.
And S150, if the concentration of the combustible gas reaches the danger threshold, closing the indoor power supply of the target user and giving an alarm.
Wherein, in order to prevent the explosion of the flammable gas caused by the electric spark when the danger threshold is reached, the power supply is cut off, and an alarm is issued, which can be preferentially sent to a community manager or a firefighter.
The implementation principle of the combustible gas detection method in the embodiment of the application is as follows: the combustible gas usually covers one area, the combustible gas in the same area is the same in type, when the combustible gas leakage is obtained in a target user group, the specific target user with the combustible gas leakage is located at the moment, whether a person exists in the target user is judged through monitoring equipment, when the person exists, in order to guarantee the safety of the person to the maximum extent, an alarm is directly sent out to remind the person that the combustible gas leakage exists, when the person does not exist, an exhaust fan is started to exhaust part of the combustible gas, the concentration of the current combustible gas in the room is obtained, if the concentration continuously increases and finally reaches a danger threshold value, an indoor power supply is turned off, the alarm is sent out, the electric spark is prevented from igniting the combustible gas, and if the concentration of the combustible gas cannot be continuously increased under the action of the exhaust fan, the fan is kept to be turned on continuously. When the combustible gas leaks, different treatment conditions are carried out according to the existence of people in a room, and different treatment measures are taken according to the concentration difference of the combustible gas, so that the accident occurrence probability is reduced, and the personal safety is protected to the greatest extent.
In step S110 of the steps in the embodiment shown in fig. 1, the monitoring device includes an infrared sensor, and the calling monitoring device determines whether there is a person in the room, which is specifically described in detail with the embodiment shown in fig. 2.
Referring to fig. 2, the monitoring device includes an infrared sensor, and the calling the monitoring device to determine whether someone is in the room includes:
s200, judging whether the existence of a person is detected or not according to human body temperature data collected by the infrared sensor arranged in the target room.
The infrared sensor is arranged indoors of a target user, the infrared sensor collects temperature data of a human body, the temperature data of the human body is a body temperature value of the human body, and when the temperature data of the human body can be collected, the existence of people in the room is shown.
And S210, if the human body temperature data is detected, judging that a person is in the room.
And S220, if the human body temperature data cannot be detected, judging that no person exists indoors.
The embodiment of the application, the monitoring equipment comprises an infrared sensor, and the implementation principle of calling the monitoring equipment to judge whether a person is in a room is as follows: when the monitoring equipment is an infrared sensor, when the infrared sensor can detect the temperature data of a human body, people are in a room, if the temperature data of the human body cannot be detected, no people exist in the room, and whether people exist in the room or not can be rapidly identified through the infrared sensor.
In step S110 of the step of the embodiment shown in fig. 1, the monitoring device includes a camera, and the calling monitoring device determines whether there is a person in the room, which is specifically described in detail with the embodiment shown in fig. 3.
Referring to fig. 3, the monitoring device includes a camera, and the calling the monitoring device to determine whether someone is in the room includes:
s300, acquiring human body image data through the camera arranged at the gate of the target user.
The human body image data is a picture of human body entering and exiting at a target door opening shot by the camera.
S310, acquiring the number of people entering the target user and the number of people leaving the target user based on the human body image data.
The camera is installed at the door of a target user, and when a person enters and exits the target user, the data of the person entering the target user and the data of the person leaving the target user are recorded through the image data shot by the camera.
And S320, if the number of people entering the target user is equal to the number of people leaving the target user, judging that no people exist in the room.
When the camera is installed at the gate of the target user and starts to work, no people are in the room by default, for example, the number of people entering the target user is 3 through the human body image data, the number of people leaving the target user is also 3, and no people are in the room.
S330, if the number of people entering the target user is larger than the number of people leaving the target user, judging that people exist in the room.
When the number of people entering the room is larger than that of people leaving the target user, the situation shows that people enter the room but do not leave the target user, and therefore people exist in the room.
According to the embodiment of the application, the door of the camera and the target user can clearly know the number of people entering the target user and the number of people coming in and going out of the target user according to the image data shot by the camera, and can also know the specific people entering the target user or leaving the target user through the image data. When people exist or do not exist in the room, different treatment measures are taken for gas leakage.
After step S110 of the embodiment shown in fig. 1, if there is leakage of the combustible gas in the target user group, the embodiment shown in fig. 4 will be specifically described in detail.
Referring to fig. 4, the target user group includes, after the combustible gas leakage occurs:
s400, acquiring the number of the target users with combustible gas leakage in the target user group.
And S410, judging whether the target user number reaches the user number threshold value.
The threshold value of the number of users is the maximum value allowed by the number of target users with combustible gas leakage in the set target user group, and when the threshold value of the number of users is reached, step S420 is executed, and when the threshold value is not reached, step S430 is executed.
And S420, if the number of the target households reaches the household number threshold value, closing the combustible gas main gate of the target household group.
When the number of the households reaches the threshold value, the number of the households with combustible gas leakage in one target household group is large, the closing of the general gate of the combustible gas of the target household group is directly controlled, and the combustible gas is prevented from continuously leaking, so that the combustible gas is prevented from being diffused in a large area.
And S430, if the number of the target users does not reach the threshold value of the number of the users, the power supply of the target users is turned off.
If the number of the target users reaches the threshold value of the number of the users, only a small number of the target users have combustible gas leakage, the power supply of the target users with the combustible gas is closed, and the electric spark is prevented from igniting the combustible gas to explode.
The implementation principle after combustible gas leakage exists in the target user group in the embodiment of the application is as follows: when a plurality of users in the target user group have gas leakage, if the target user number reaches a set user number threshold value, the master gate of the target user group is directly closed, the combustible gas of the whole target user group is closed, the reason is convenient to eliminate, and if only a small amount of target users have gas leakage, the power supply of the target users is closed, so that the electric spark is prevented from igniting the combustible gas.
After step S150 of the embodiment shown in fig. 1, the indoor power of the target user is turned off and an alarm is issued, which will be described in detail with reference to the embodiment shown in fig. 5.
Referring to fig. 5, after the indoor power of the target user is turned off and an alarm is issued, the method includes:
s500, detecting whether the indoor power supply of the target user is disconnected.
And S510, if the indoor power supply of the target user is not disconnected, closing the power master gate of the target user group.
When the indoor power supply of the target user is not disconnected, the power supply control switch of the target user is possibly damaged, the indoor power supply cannot be controlled to be turned off, and in order to prevent electric sparks from igniting combustible gas, the power supply main gate of the target user group is disconnected, and power supply is recovered after leakage of the combustible gas is preferentially treated.
And S520, if the indoor power supply of the target user is disconnected, the target user does not operate.
The implementation principle of the target user after the indoor power supply is turned off and the alarm is given out is as follows: when the indoor power supply of the target user cannot be timely disconnected, in order to prevent the combustible gas from being ignited to cause explosion and damage to the whole target user group, the power supply main gate of the target user group is directly closed, and power transmission is resumed after the combustible gas is treated.
After step S210 of the step of the embodiment shown in fig. 5, the power bus of the target subscriber group is closed, and then the detailed description is specifically provided by the embodiment shown in fig. 6.
Referring to fig. 6, after the power master of the target subscriber group is turned off, the method includes:
s600, acquiring the fire telephone of the location of the target user group.
The fire-fighting telephone at the location of the target user group can be a fire-fighting station closest to the location of the target user group, so that fire fighters can quickly catch up to the treatment of combustible gas leakage.
S610, sending gas leakage information to the fire-fighting telephone based on the fire-fighting telephone, wherein the gas leakage information comprises the type and the leakage position of the gas leakage.
Wherein the type of the gas leakage is the specific reason of the leaked combustible gas, such as natural gas, coal gas and the like, and the leakage position is the geographical position of the target user group, such as the XX user in the XX street XX cell, which is convenient for the firefighter to find the combustible gas leakage position at the fastest speed.
The implementation principle after the power master gate of the target user group is closed in the embodiment of the application is as follows: after the target user is powered off, the combustible gas cannot be ignited by electric sparks to explode in a short time, the information of gas leakage is sent to fire fighting by the fire fighting telephone of the target user group, professional personnel are asked to solve the problem of combustible gas leakage, and loss is reduced to the minimum.
In step S130 of the steps of the embodiment shown in fig. 1, the exhaust fan is started, the concentration of the combustible gas of the target user is obtained, and whether the concentration of the combustible gas reaches the danger threshold is determined, which is described in detail with the embodiment shown in fig. 7.
Referring to fig. 7, the starting the exhaust fan and obtaining the combustible gas concentration of the target user and determining whether the combustible gas concentration reaches the danger threshold includes:
s700, obtaining the current concentration of the combustible gas of the target user.
And the current combustible gas concentration of the target user is the concentration when the combustible gas is detected.
And S710, acquiring the concentration of the combustible gas at the next moment of the target user.
The combustible gas concentration at the next time is measured at a time interval from the time measured at the current combustible gas concentration, for example, the combustible gas concentration at 1 point and 10 minutes is measured as X, and the combustible gas concentration at the next time is measured as Y at 30 minutes intervals.
And S720, judging whether the concentration of the combustible gas reaches the danger threshold value or not based on the concentration of the combustible gas at the present time and the concentration of the combustible gas at the next time.
Wherein, the concentration of the combustible gas is measured as X at 1 point 10 minutes, the concentration of the combustible gas is measured as Y at the next moment, such as every 30 minutes, the growth rate of the combustible gas at the time is (Y-X)/0.5 h, the concentration is increased as (Y-X)/0.5 h every half hour, generally, for the accuracy of the calculation, a plurality of time points are measured, such as once every ten minutes, three times every half hour for averaging, if the concentration keeps continuously increasing, the danger threshold value is reached, and if the increase degree of the concentration is negative under the action of the fan, the concentration threshold value is not reached.
The implementation principle that the exhaust fan is started, the concentration of the combustible gas of the target user is obtained, and whether the concentration of the combustible gas reaches the danger threshold value is judged is as follows: after detecting current combustible gas concentration, because the exhaust fan is at outside exhaust gas, according to the combustible gas concentration at current combustible gas concentration and next moment this moment, according to the variable quantity of the combustible gas's between two time differences concentration, judge whether combustible gas finally can reach dangerous threshold value, if the exhaust fan can be with the gaseous discharge of leaking, just do not carry out other processing, the resources of using manpower sparingly, do not need people's fire fighter to move when can not reaching dangerous threshold value, it can to find the maintenance master.
A combustible gas detection method is described above in detail, and a combustible gas detection system based on a combustible gas detection method is described below in detail.
A combustible gas detection system comprising:
the detection module 1 is used for detecting whether combustible gas leaks in each household in the target household group.
And the monitoring module 2 is used for calling monitoring equipment to judge whether people exist in the target user group or not if the combustible gas leaks from the target user group.
And the alarm module 3 gives an alarm if a person is in the room.
And the obtaining module 4 is used for starting an exhaust fan and obtaining the concentration of the combustible gas of the target user and judging whether the concentration of the combustible gas reaches a danger threshold value or not if no person is in the room.
And the first execution module 5 is used for keeping the fan on if the concentration of the combustible gas cannot reach the dangerous threshold.
And the second execution module 6 is used for turning off the indoor power supply of the target user and giving an alarm if the concentration of the combustible gas reaches the danger threshold.
The implementation principle of a combustible gas detection system of the embodiment of the application is as follows: after the detection module 1 detects that combustible gas leakage exists in a target user group, the monitoring module 2 locates a target user with the combustible gas leakage, and judges whether a person is indoors or not through the monitoring equipment, the alarm module 3 alarms under the condition of the person, the acquisition module 4 starts the exhaust fan under the condition of no person, and simultaneously acquires the current combustible gas concentration of the target user and judges whether the combustible gas concentration reaches a danger threshold or not, when the combustible gas concentration cannot reach the danger threshold, the first execution module 5 keeps the fan on, and when the combustible gas leakage reaches the danger threshold, the second execution module 6 turns off an indoor power supply and gives an alarm, when the combustible gas leakage occurs, different processing conditions are made according to the existence of the person indoors, different processing measures are taken according to the concentration difference of the combustible gas, namely, the occurrence probability of accidents is reduced, but also protects the personal safety to the maximum extent. The embodiment of the application further discloses a terminal device, which comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, wherein when the processor executes the computer program, the combustible gas detection method in the above embodiment is adopted.
The terminal device may adopt a computer device such as a desktop computer, a notebook computer, or a cloud server, and the terminal device includes but is not limited to a processor and a memory, for example, the terminal device may further include an input/output device, a network access device, a bus, and the like.
The processor may be a Central Processing Unit (CPU), and of course, according to an actual use situation, other general processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like may also be used, and the general processor may be a microprocessor or any conventional processor, and the present application does not limit the present invention.
The memory may be an internal storage unit of the terminal device, for example, a hard disk or a memory of the terminal device, or an external storage device of the terminal device, for example, a plug-in hard disk, a smart card memory (SMC), a secure digital card (SD) or a flash memory card (FC) equipped on the terminal device, and the memory may also be a combination of the internal storage unit of the terminal device and the external storage device, and the memory is used for storing a computer program and other programs and data required by the terminal device, and the memory may also be used for temporarily storing data that has been output or will be output, which is not limited in this application.
The combustible gas detection method in the embodiment is stored in a memory of the terminal device through the terminal device, and is loaded and executed on a processor of the terminal device, so that the terminal device is convenient to use.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A method for detecting a combustible gas, comprising:
detecting whether combustible gas leaks in each household in the target household group;
if the combustible gas leakage exists in the target user group, calling monitoring equipment to judge whether people exist in the target user group;
if someone is in the room, an alarm is given;
if no person is in the room, starting an exhaust fan, obtaining the concentration of the combustible gas of the target user and judging whether the concentration of the combustible gas reaches a danger threshold value;
if the concentration of the combustible gas does not reach the danger threshold, continuing to keep the fan on;
and if the concentration of the combustible gas reaches the danger threshold, closing the indoor power supply of the target user and giving an alarm.
2. The method of claim 1, wherein the monitoring device comprises an infrared sensor, and the invoking the monitoring device to determine whether a person is present in the room comprises:
judging whether human existence is detected or not according to human body temperature data acquired by the infrared sensor arranged in a target room;
if the human body temperature data are detected, judging that people exist in the room;
and if the human body temperature data cannot be detected, judging that no person exists indoors.
3. The combustible gas detection method of claim 1, wherein the monitoring device comprises a camera, and the invoking the monitoring device to determine whether a person is present in the room comprises:
acquiring human body image data through the camera arranged at the doorway of the target user;
acquiring the number of people entering the target user and the number of people leaving the target user based on the human body image data;
if the number of people entering the target user is equal to the number of people leaving the target user, judging that no people exist in the room;
and if the number of people entering the target user is larger than the number of people leaving the target user, judging that people exist in the room.
4. The method of claim 1, wherein the detecting of combustible gas leakage in the target group of users comprises:
acquiring the number of target users with combustible gas leakage in the target user group;
judging whether the number of the target user reaches a threshold value of the number of the user;
if the number of the target households reaches the number threshold, closing the combustible gas main gate of the target household group;
and if the number of the target users does not reach the user number threshold value, the power supply of the target users is turned off.
5. The method as claimed in claim 1, wherein the step of turning off the indoor power supply of the target user and issuing an alarm comprises:
detecting whether an indoor power supply of a target user is disconnected;
and if the indoor power supply of the target user is not disconnected, closing the power supply main gate of the target user group.
6. The method as claimed in claim 5, wherein the step of closing the power main of the target user group comprises:
acquiring a fire telephone of a target user group;
transmitting gas leak information to the fire fighting phone based on the fire fighting phone, the gas leak information including a type of the gas leak and a location of the leak.
7. The method as claimed in claim 1, wherein said activating an exhaust fan and obtaining the flammable gas concentration of the target user and determining whether the flammable gas concentration would reach a dangerous threshold comprises:
acquiring the current concentration of the combustible gas of the target user;
acquiring the concentration of the combustible gas at the next moment of the target user;
determining whether the combustible gas concentration will reach the hazard threshold based on the current combustible gas concentration and the combustible gas concentration at the next time.
8. A combustible gas detection system employing the system according to any one of claims 1 to 7, comprising:
the detection module (1) is used for detecting whether combustible gas leaks in each household in a target household group;
the monitoring module (2) is used for calling monitoring equipment to judge whether people exist in the target user group if the combustible gas leakage exists in the target user group;
the alarm module (3) gives an alarm if a person is in the room;
the acquisition module (4) is used for starting an exhaust fan and acquiring the concentration of the combustible gas of the target user and judging whether the concentration of the combustible gas reaches a danger threshold value or not if no person is in the room;
a first execution module (5) for keeping the fan on if the flammable gas concentration does not reach the danger threshold;
and the second execution module (6) is used for turning off the indoor power supply of the target user and giving an alarm if the concentration of the combustible gas reaches the danger threshold.
9. A terminal device comprising a memory, a processor and a computer program stored in the memory and being executable on the processor, characterized in that the method of any of claims 1-7 is used when the computer program is loaded and executed by the processor.
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