CN113362556A - Fire monitoring method, system and readable medium - Google Patents
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Abstract
The invention relates to a fire monitoring method, a fire monitoring system and a readable medium. A fire monitoring method comprising: acquiring a smoke sensing signal in real time; when the smoke sensing signal is larger than a smoke threshold value, sending first alarm information, and simultaneously acquiring thermal data and image data of a current area in real time; wherein the thermal data is pixel-correlated with the image data; determining a thermal abnormal point of the current area based on the thermal data, simultaneously judging a temperature value of the thermal abnormal point in real time, calibrating the abnormal point based on the image data and synchronously displaying a corresponding temperature value; and sending out second alarm information in real time according to the temperature value of the thermal anomaly point. When smoke exists, first warning information is sent out, attention can be effectively attracted, when thermal abnormal points exist, thermal abnormal point identification can be carried out on image data, fire rescue is more targeted, meanwhile, second warning information can be sent out in real time according to thermal abnormal point temperature values, and monitoring force is better.
Description
Technical Field
The present invention relates to fire monitoring, and more particularly, to a fire monitoring method, system, and readable medium.
Background
Currently, a fire refers to a disaster caused by combustion that is out of control in time or space. Among the various disasters, fire is one of the main disasters that threaten public safety and social development most often and most generally. However, fire extinguishing measures cannot be taken in a targeted manner due to unclear fire sources in the existing fire rescue, so that the fire can not be extinguished quickly, and the fire rescue is difficult.
Thus, the existing fire monitoring technology has shortcomings and needs to be improved and enhanced.
Disclosure of Invention
In view of the above-mentioned shortcomings in the prior art, the present invention aims to provide a fire monitoring method, a fire monitoring system and a readable medium, which are used for solving the problems that the fire source cannot be known clearly and measures cannot be taken against the fire source in the fire monitoring process.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fire monitoring method comprising:
acquiring a smoke sensing signal in real time;
when the smoke sensing signal is larger than a smoke threshold value, sending first alarm information, and simultaneously acquiring thermal data and image data of a current area in real time; wherein the thermal data is pixel-correlated with the image data;
determining a thermal abnormal point of the current area based on the thermal data, simultaneously judging a temperature value of the thermal abnormal point in real time, calibrating the abnormal point based on the image data and synchronously displaying a corresponding temperature value;
and sending out second alarm information in real time according to the temperature value of the thermal anomaly point.
Further, in the fire monitoring method, the pixel association includes:
forming a bitmap image based on the thermal data;
aligning the bitmap image with a resolution of the image data;
and correspondingly associating the bitmap image with a single pixel of the image data according to a coordinate relation.
Further, in the fire monitoring method, the abnormal point calibration specifically includes:
determining the central position of the thermal anomaly point in the bitmap image, wherein the central position is the highest temperature value of the thermal anomaly point;
and carrying out calibration display at the calibration position of the image data corresponding to the central position.
Further, in the fire monitoring method, the calibration display includes displaying the temperature value and second alarm information.
Further, in the fire monitoring method, the thermal data is acquired by an infrared temperature detection device;
wherein, the thermal data acquisition step is as follows:
determining the range of the current area;
and scanning the current area through an infrared temperature detection device to form the thermal data.
Further, in the fire monitoring method, the image data is acquired by a camera.
Further, in the fire monitoring method, the first warning information is one or a combination of sound, light and light color.
Further, in the fire monitoring method, the second alarm information includes multiple levels of alarm contents;
the sending of the second warning information in real time specifically includes:
setting a plurality of temperature thresholds;
and when the temperature value is greater than a certain temperature threshold value, sending out corresponding grade alarm content.
A fire monitoring system using the fire monitoring method, comprising:
the smoke sensing module is used for acquiring smoke sensing signals;
the thermal detection module is used for acquiring thermal data;
the image detection module is used for acquiring image data;
the alarm module is used for sending alarm information to the outside;
and the processing module is used for being respectively connected with the smoke sensing module, the heat power detection module, the image detection module and the alarm module and executing the fire monitoring method.
A computer-readable medium, in which a computer program is stored which, when being executed by a processor, carries out the fire monitoring method.
Compared with the prior art, the fire monitoring method, the fire monitoring system and the readable medium have the following beneficial effects:
according to the fire monitoring method provided by the invention, two times of alarm information are used for alarm broadcasting, the first alarm information is sent out when smoke exists, attention can be effectively attracted, and when the thermal abnormal point exists, the thermal abnormal point identification can be carried out on image data, so that operation and maintenance personnel can conveniently and quickly know the fire source, the fire rescue is more targeted, meanwhile, the second alarm information can be sent out in real time according to the thermal abnormal point temperature value, and the monitoring degree is better;
the fire monitoring system provided by the invention uses the processing module to execute the fire monitoring method in combination with other functional modules, uses two alarm messages to alarm and broadcast, sends out the first alarm message when smoke exists, can effectively draw attention, and can carry out thermal abnormal point identification on image data when thermal abnormal points exist, so that operation and maintenance personnel can know the fire source quickly, thus fire rescue is more targeted, and meanwhile, the second alarm message is sent out in real time along with the temperature value of the thermal abnormal points, so that the monitoring degree is better.
Drawings
FIG. 1 is a flow chart of a fire monitoring method provided by the present invention;
fig. 2 is a block diagram of a fire monitoring system according to the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It is to be understood by those skilled in the art that the foregoing general description and the following detailed description are exemplary and explanatory of specific embodiments of the invention, and are not intended to limit the invention.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process or method that comprises a list of steps does not include only those steps, but may include other steps not expressly listed or inherent to such process or method. Also, without further limitation, one or more devices or subsystems, elements or structures or components beginning with "comprise. The appearances of the phrases "in one embodiment," "in another embodiment," and similar language throughout this specification may, but do not necessarily, all refer to the same embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Referring to fig. 1, the present invention provides a fire monitoring method, including:
acquiring a smoke sensing signal in real time; specifically, the real-time acquisition, that is, the data acquisition rhythm with a certain frequency is maintained, for example, a sensing signal is acquired at an interval of 10ms to 100ms, and may be adjusted accordingly according to actual conditions, for example, a smoke sensing signal may be acquired at a time interval of 10ms in summer, and a smoke sensing signal may be acquired at a time interval of 100ms in winter; further, other preferred schemes of the time interval are 20ms, 40ms, 60ms and 80 ms; in a further implementation, the real-time acquisition time interval may be adaptively adjusted with temperature, for example, in the case where the external temperature is greater than or equal to 25 ℃, a time interval of 10-40ms is used, otherwise a time interval of 40-100ms is used. It should be noted that the acquisition of the external temperature is obtained by a temperature detection device, and the temperature detection device is not particularly limited. Using means commonly used in the art, such as thermistors and the like. Further, the smoke sensing signal is obtained by a smoke sensor, and the smoke sensor uses a common smoke detection device in the field, and is not limited specifically.
When the smoke sensing signal is larger than a smoke threshold value, sending first alarm information, and simultaneously acquiring thermal data and image data of a current area in real time; wherein the thermal data is pixel-correlated with the image data; specifically, the smoke threshold is an alert value of smoke, and when the detected smoke sensing signal is greater than the smoke threshold, the smoke is present around the smoke detection device, for example, fire is burnt, people smoke, and the like; of course, the smoke threshold may be adjusted within a range of a value range, where the range of the value range is adjusted within an output value range of the corresponding smoke sensor device, and adjusting the smoke threshold means adjusting the sensitivity of the smoke detector device; the first warning information is used for warning for the first time, namely warning for the first time as long as smoke exists around the smoke detection device, the first warning information preferably displays smoke generation and broadcasts careful fire conditions to the outside in a mode of voice broadcast by a loudspeaker, subtitle screen subtitle display, display position of a display and the like; preferably, in this embodiment, the first warning information is one or a combination of multiple of sound, light, and light color. When smoke is detected to exist, the thermal data and the image data of the current area content are synchronously acquired, so that the fire source and the type of fire can be rapidly judged in a visual mode, and the targeted fire fighting preparation is facilitated. Further, the thermal data is obtained through an infrared sensing device, and the formed thermal data presentation mode can be a presentation mode commonly used in the field, for example, a linear description temperature zone is used; the image data is preferably obtained through a camera, namely a bitmap image in the current range is obtained through shooting, the current range is the range which can be shot by the camera, and if the shooting direction of the camera can be adjusted, the current range boundary can be enlarged in a splicing mode. Of course, the current region may be manually demarcated.
Preferably, in this embodiment, the pixel association includes:
forming a bitmap image based on the thermal data; here, it should be noted that, before forming the bitmap image, the peak value of the thermal value in the human data, i.e. the high point of the temperature, should be determined, and in this implementation, the peak value is determined when the temperature value is greater than a certain temperature threshold, e.g. 200 ℃, and the peak value is determined as long as the position where the temperature value is greater than 200 ℃; marking the peak position as long as the peak occurs, and synchronously displaying the peak position in the bitmap image; of course, depending on different usage environments, the temperature threshold may be adjusted to 35 ℃, for example, a white phosphorus or red phosphorus warehouse needs to be used.
Aligning the bitmap image with a resolution of the image data; specifically, the pixels and the proportion of the bitmap image are adjusted to make the resolution of the image data of the feather image consistent, so that the specific position can be effectively corresponding, and the method is convenient and quick.
And correspondingly associating the bitmap image with a single pixel of the image data according to a coordinate relation. Specifically, after the bitmap image and the image data are subjected to pixel correspondence, because the resolution ratio of the bitmap image and the image data is the same, the problem image content in the image data is superposed with the thermal data in the bitmap image, so that the position in the image data with the highest temperature can be quickly known, and the object is the fire source, so that fire fighting measures can be arranged in a targeted manner.
Determining a thermal abnormal point of the current area based on the thermal data, simultaneously judging a temperature value of the thermal abnormal point in real time, calibrating the abnormal point based on the image data and synchronously displaying a corresponding temperature value; specifically, this step is used to show a specific temperature value on the image data, i.e. the temperature value of each object can be clearly seen, so that it can be determined which objects are in a dangerous state. Further, in this embodiment, the thermal anomaly point is a peak value of the thermal values in the foregoing description, that is, a thermal anomaly point exists when a peak value exists in the thermal data.
Furthermore, when no abnormal point of heating power exists in the heating power data, the heating power data and the image data are acquired and then identified, the first alarm information continues to be broadcasted, meanwhile, operation and maintenance personnel judge whether an abnormal item exists or not, and broadcasting of the second alarm information is not carried out.
And sending out second alarm information in real time according to the temperature value of the thermal anomaly point. Specifically, the sending of the second alarm information is performed as long as the thermal anomaly exists according to the temperature value of the thermal anomaly, and the condition of the thermal anomaly is displayed in real time, where the second alarm information includes the temperature value, the growth rate, and the like of the thermal anomaly. According to the display of the abnormal temperature value, operation and maintenance personnel can visually see the temperature change in the current area or the image data condition before fire. Meanwhile, the broadcasting mode of the real-time second alarm information comprises lamplight display, namely, colors with a striking function are used for displaying at the thermal abnormal point, for example, the temperature values of the thermal abnormal point are displayed in red with different degrees, in the embodiment, the temperature of the thermal abnormal point is distinguished from low to high by using scarlet, tangerine peel, rose bengal, dark red, earth red and ochre, and as a preferred scheme, in the embodiment, the second alarm information comprises multi-level alarm contents; further, the number of levels of the multi-level alarm content can be flexibly set, and is generally set to be 5 levels, 7 levels or 9 levels.
The sending of the second warning information in real time specifically includes:
setting a plurality of temperature thresholds;
and when the temperature value is greater than a certain temperature threshold value, sending out corresponding grade alarm content. For example, the color of the thermal abnormal point is changed every time the thermal abnormal point is increased by a certain temperature value between 300 ℃ or 500 ℃ or 300-500 ℃, i.e. the interval between the temperature threshold values is preferably 300-500 ℃; the broadcasting mode of the second alarm information also comprises voice and characters, and the corresponding multi-level alarm content is flexibly changed according to the broadcasting mode.
As a preferred scheme, in this embodiment, the thermal data is acquired by an infrared temperature detection device;
wherein, the thermal data acquisition step is as follows:
determining the range of the current area;
and scanning the current area through an infrared temperature detection device to form the thermal data. Specifically, the infrared temperature detection device is used for acquiring thermal data, so that all positions of the current area can be ensured to be detected, and further the thermal data of the current area is formed; furthermore, the range of the current area is based on the shooting range of the camera, that is, the data boundary of the thermal data is the same as the bitmap boundary shot by the camera, so that the position consistency is ensured when corresponding association is performed.
Preferably, in this embodiment, the image data is acquired by a camera. Specifically, the camera is preferably a high-definition camera, and the definition of the acquired image data can be ensured.
Further, the camera with infrared temperature detection device installs in the same position, guarantees current regional certainty.
As a preferable scheme, in this embodiment, the abnormal point calibration specifically includes:
determining the central position of the thermal anomaly point in the bitmap image, wherein the central position is the highest temperature value of the thermal anomaly point;
and carrying out calibration display at the calibration position of the image data corresponding to the central position. The calibration display means that the temperature values of all internal point locations (namely infrared detection point locations) are defined by taking the central position as the center and are all larger than a certain temperature threshold value-area, and then a special color is filled in the area for identification. Further, as a preferred scheme, in this embodiment, the calibration display includes displaying the temperature value and the second warning information, that is, the calibration display also includes displaying the highest temperature value and the second warning information on the basis of excluding color filling, and if the second warning information includes multiple levels, correspondingly displaying the identifier of the corresponding level, for example, if 5-level warning information broadcasting is being performed, correspondingly displaying the content of the 5-level warning information.
Correspondingly, referring to fig. 2, the present invention further provides a fire monitoring system using the fire monitoring method, including:
the smoke sensing module is used for acquiring smoke sensing signals; specifically, the smoke sensing module may include a plurality of smoke sensors, which are respectively disposed at different positions of a current area (i.e., a current monitoring area) and connected to the processing module.
The thermal detection module is used for acquiring thermal data; specifically, the thermal detection module is one or more infrared temperature detection devices, and when the number of the thermal detection modules is one, the thermal detection modules and the image detection modules are arranged at the same position, and when the number of the thermal detection modules is multiple, the thermal detection modules and the image detection modules can be respectively arranged at multiple positions in the current area, and the specific positions are not limited and are set according to the field environment.
The image detection module is used for acquiring image data; specifically, the image detection module is preferably a camera, and may be a probe type camera, or may be a wide-angle type camera or a spherical or hemispherical camera.
The alarm module is used for sending alarm information to the outside; the warning module sets for according to the demand, if use light to carry out data display, then include a plurality of LED lamps, if use sound broadcast, then still include one or more speakers, if use different characters or color to report, then still include one or more display screens.
And the processing module is used for being respectively connected with the smoke sensing module, the heat power detection module, the image detection module and the alarm module and executing the fire monitoring method. Specifically, the processing module is preferably a processor having a logic processing function, such as an MCU, a CPU, or the like.
Specifically, the processing module is used for operating the fire monitoring method provided by the invention, two times of alarm information are used for alarm broadcasting, when smoke exists, the first alarm information is sent out, so that the attention can be effectively attracted, when the thermal abnormal point exists, the second alarm information can be sent out in real time along with the temperature value of the thermal abnormal point, and the monitoring strength is better.
The invention also provides a computer-readable medium, in which a computer program is stored which, when being executed by a processor, carries out the method for fire monitoring.
In particular, according to an embodiment of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network via the communication section, and/or installed from a removable medium. The computer program, when executed by a Central Processing Unit (CPU), performs the above-described functions defined in the method of the present application. It should be noted that the computer readable medium mentioned above in the present application may be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing.
More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In this application, however, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In this application, however, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (10)
1. A fire monitoring method, comprising:
acquiring a smoke sensing signal in real time;
when the smoke sensing signal is larger than a smoke threshold value, sending first alarm information, and simultaneously acquiring thermal data and image data of a current area in real time; wherein the thermal data is pixel-correlated with the image data;
determining a thermal abnormal point of the current area based on the thermal data, simultaneously judging a temperature value of the thermal abnormal point in real time, calibrating the abnormal point based on the image data and synchronously displaying a corresponding temperature value;
and sending out second alarm information in real time according to the temperature value of the thermal anomaly point.
2. A fire monitoring method according to claim 1, in which the pixel correlation comprises the steps of:
forming a bitmap image based on the thermal data;
aligning the bitmap image with a resolution of the image data;
and correspondingly associating the bitmap image with a single pixel of the image data according to a coordinate relation.
3. A fire monitoring method according to claim 2, wherein the anomaly point calibration specifically comprises:
determining the central position of the thermal anomaly point in the bitmap image, wherein the central position is the highest temperature value of the thermal anomaly point;
and carrying out calibration display at the calibration position of the image data corresponding to the central position.
4. A fire monitoring method according to claim 3, wherein the calibration display includes a display of the temperature value and a second warning message.
5. A fire monitoring method as claimed in claim 1, wherein the thermal data is acquired by means of an infrared temperature detection device;
wherein, the thermal data acquisition step is as follows:
determining the range of the current area;
and scanning the current area through an infrared temperature detection device to form the thermal data.
6. A fire monitoring method according to claim 1, in which the image data is acquired by means of a camera.
7. The fire monitoring method according to claim 1, wherein the first warning message is one or more of sound, light and light color.
8. The fire monitoring method according to claim 1, wherein the second alarm information includes a plurality of levels of alarm contents;
the sending of the second warning information in real time specifically includes:
setting a plurality of temperature thresholds;
and when the temperature value is greater than a certain temperature threshold value, sending out corresponding grade alarm content.
9. A fire monitoring system using the fire monitoring method according to any one of claims 1 to 8, comprising:
the smoke sensing module is used for acquiring smoke sensing signals;
the thermal detection module is used for acquiring thermal data;
the image detection module is used for acquiring image data;
the alarm module is used for sending alarm information to the outside;
and the processing module is used for being respectively connected with the smoke sensing module, the heat power detection module, the image detection module and the alarm module and executing the fire monitoring method.
10. A computer-readable medium, characterized in that a computer program is stored which, when being executed by a processor, carries out the fire monitoring method according to any one of claims 1-8.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114566028A (en) * | 2022-02-21 | 2022-05-31 | 招商蛇口数字城市科技有限公司 | Electric vehicle charging risk monitoring method and device and storage medium |
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2021
- 2021-06-08 CN CN202110637573.5A patent/CN113362556A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114566028A (en) * | 2022-02-21 | 2022-05-31 | 招商蛇口数字城市科技有限公司 | Electric vehicle charging risk monitoring method and device and storage medium |
| CN114566028B (en) * | 2022-02-21 | 2024-05-07 | 招商蛇口数字城市科技有限公司 | Electric vehicle charging risk monitoring method, device and storage medium |
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