CN117079401B - Remote monitoring and early warning method based on fire-fighting Internet of things - Google Patents
Remote monitoring and early warning method based on fire-fighting Internet of things Download PDFInfo
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Abstract
The invention discloses a remote monitoring and early warning method based on a fire control Internet of things, relates to the technical field of fire control remote monitoring and early warning, and solves the technical problems that fire control satisfaction and regional risk cannot be analyzed on a current monitoring region during fire control remote monitoring in the prior art, so that high efficiency of regional fire control remote monitoring cannot be guaranteed, fire control satisfaction analysis is conducted on a fire control monitoring region, and whether any position of a fire hydrant set position and any position of the fire control monitoring region in the current fire control monitoring region meet requirements is judged; thereby ensuring that the fire control performance in the fire control monitoring area can meet the actual area requirement, improving the early warning executability of the fire control monitoring area and effectively reducing the influence of fire occurrence; and after the set position of the fire hydrant in the fire control monitoring area meets the area requirement, carrying out fire risk early warning on the fire control monitoring area.
Description
Technical Field
The invention relates to the technical field of fire-fighting remote monitoring and early warning, in particular to a fire-fighting Internet of things-based remote monitoring and early warning method.
Background
The fire-fighting alarm system, also called fire-fighting automatic alarm system, is composed of trigger device, fire alarm device, linkage output device and other auxiliary function devices, and can change the physical quantity of smoke, heat and flame produced by combustion into electric signal by means of fire detector at the initial stage of fire, and can be transferred to fire-fighting alarm controller, and at the same time can display the place and time of fire occurrence.
However, in the prior art, fire control satisfaction and regional risk cannot be analyzed in the current monitoring region during fire control remote monitoring, so that the high efficiency of regional fire control remote monitoring cannot be guaranteed, and meanwhile, remote monitoring parameter analysis cannot be performed in the fire control monitoring region, so that the regional fire early warning efficiency is reduced.
In view of the above technical drawbacks, a solution is now proposed.
Disclosure of Invention
The invention aims to solve the problems and provides a remote monitoring and early warning method based on the fire-fighting Internet of things.
The aim of the invention can be achieved by the following technical scheme:
A remote monitoring and early warning method based on the fire-fighting Internet of things comprises the following steps:
Step one, satisfaction analysis, namely performing fire control satisfaction analysis on a fire control monitoring area, and judging whether the set position of a fire hydrant in the current fire control monitoring area and any position of the fire control monitoring area meet requirements;
Step two, risk analysis, namely performing fire risk early warning on the fire monitoring area after the set position of the fire hydrant in the fire monitoring area meets the area requirement; analyzing according to any position of the fire control monitoring area, and predicting fire risk by combining the influence of the environment in the area of any position;
Thirdly, remotely monitoring, and performing remote fire early warning on the fire monitoring area after completing satisfaction and risk analysis; early warning is carried out on regional fire disasters through real-time environmental change analysis in the fire control monitoring region;
Step four, evaluating early warning efficiency, wherein the fire warning efficiency is evaluated according to two scenes of whether fire exists or not in a remote fire warning period; and carrying out efficiency evaluation on the remote fire early warning according to different scenes.
As a preferred embodiment of the invention, the specific procedure of the satisfaction analysis in the first step is as follows:
Acquiring the positions of the fire hydrants set in the fire control monitoring area, acquiring the coverage areas of the fire hydrants according to the positions of the fire hydrants after the positions of the fire hydrants are acquired, and performing fire control satisfaction analysis on the fire hydrants; the method comprises the steps of obtaining the minimum interval difference between the available distance of a water supply belt corresponding to a fire hydrant in a fire control area and the interval of any position in a current coverage area and the maximum shortening amount of the pipe diameter of a corresponding water supply pipe when the fire hydrant in the fire control area supplies water with the interval of any position in the coverage area, and comparing the maximum shortening amount with a minimum interval difference threshold and a pipe diameter maximum shortening amount threshold respectively.
As a preferred embodiment of the invention, if the minimum interval difference between the available distance of the fire hydrant corresponding water supply belt in the fire control monitoring area and the interval corresponding to any position in the current coverage area does not exceed the minimum interval difference threshold, or the maximum shortening amount of the pipe diameter of the corresponding water supply pipe exceeds the maximum shortening amount threshold of the pipe diameter when the fire hydrant in the fire control monitoring area supplies water at any position in the coverage area, marking the corresponding fire hydrant as an unsatisfied object; if the minimum distance difference between the available distance of the water supply belt corresponding to the fire hydrant in the fire control monitoring area and the distance between the fire hydrant and any position in the current coverage area exceeds the minimum distance difference threshold, and the pipe diameter maximum shortening amount of the corresponding water supply pipe does not exceed the pipe diameter maximum shortening amount threshold when the fire hydrant in the fire control monitoring area supplies water at the distance between the fire hydrant and any position in the coverage area, marking the corresponding fire hydrant as a meeting object.
In a preferred embodiment of the present invention, the non-satisfied object and the satisfied object in the fire-fighting monitoring area are analyzed, if the overlapping area ratio of the covering area of the non-satisfied object and the covering area of the satisfied object exceeds the overlapping area ratio threshold, the non-satisfied object is set as the non-priority adjustment object, if the overlapping area ratio of the covering area of the non-satisfied object and the covering area of the satisfied object does not exceed the overlapping area ratio threshold, the non-satisfied object is set as the priority adjustment object, the fire hydrant is reselected or the specification is replaced for the priority adjustment object in the fire-fighting monitoring area, and the corresponding non-priority adjustment object is sequentially and singly adjusted after the priority adjustment object is adjusted.
As a preferred embodiment of the invention, the specific process of risk analysis in the second step is as follows:
Risk analysis is carried out on each fire hydrant coverage area in the fire hydrant coverage area, average interval amounts of corresponding ignition points of different types of placed objects in the fire hydrant coverage area and length ratios of overlapped routes in different air circulation routes in the fire hydrant coverage area are obtained, and the average interval amounts and the route length ratio threshold are compared respectively:
If the average interval quantity of the corresponding ignition points of different types of placed articles in the fire hydrant coverage area does not exceed the average interval quantity threshold, or the length ratio of the overlapped routes in different air circulation routes in the fire hydrant coverage area exceeds the route length ratio threshold, judging that the risk analysis of the current fire hydrant coverage area is abnormal, controlling the placed articles in the corresponding fire hydrant coverage area, and expanding the ignition point difference value of the articles; if the average interval quantity of the corresponding ignition points of different types of placed articles in the fire hydrant coverage area exceeds the average interval quantity threshold value and the length ratio of the overlapped routes in different air circulation routes in the fire hydrant coverage area does not exceed the route length ratio threshold value, judging that the risk analysis of the current fire hydrant coverage area is normal.
As a preferred embodiment of the present invention, the process of remote monitoring in step three is as follows:
The method comprises the steps of remotely monitoring a fire control monitoring area, obtaining the instantaneous increasing speed of a deviation value corresponding to the temperature floating span value and the current environment temperature floating span at any position in the fire control monitoring area and the increasing speed of the quantity of synchronous increase of the temperature floating at the adjacent positions corresponding to the temperature floating period of the temperature floating position in the fire control monitoring area, and comparing the instantaneous increasing speed threshold and the increasing speed threshold of the quantity of positions respectively:
If the instantaneous increasing speed of the deviation value corresponding to the temperature floating span value and the current ambient temperature floating span at any position in the fire control monitoring area exceeds the instantaneous increasing speed threshold, or the increasing speed of the number of the temperature floating synchronous increases at the adjacent positions around the temperature floating period corresponding to the temperature floating position in the fire control monitoring area exceeds the position number increasing speed threshold, judging that the current fire control monitoring area is abnormal in remote monitoring, and constructing the current temperature floating position into an abnormal area; if the instantaneous increasing speed of the deviation value corresponding to the temperature floating span value and the current environment temperature floating span at any position in the fire control monitoring area does not exceed the instantaneous increasing speed threshold, and the increasing speed of the number of the temperature floating synchronous increases corresponding to the adjacent positions around the temperature floating period of the temperature floating position in the fire control monitoring area does not exceed the increasing speed threshold of the number of the positions, judging that the remote monitoring of the current fire control monitoring area is normal.
As a preferred embodiment of the invention, an abnormal area is analyzed, and if the temperature value of any position in the abnormal area is increased and the minimum ignition point of the articles placed in the current position area is not reached, a first-level early warning signal is generated and sent to an administrator; if the temperature value of any position in the abnormal area reaches the minimum ignition point of the placed article in the current position area and the difference value reduction speed between the real-time temperature value and the adjacent ignition point of the minimum ignition point of the placed article exceeds the difference value reduction speed threshold, generating a secondary alarm signal and sending the secondary alarm signal to an administrator, and automatically unlocking a fire hydrant corresponding to the abnormal area and evacuating personnel in the current abnormal area; if the temperature value of any position in the abnormal region reaches the quantity ratio of the placed articles exceeding the quantity ratio threshold value, generating a three-level danger signal and sending the three-level danger signal to an administrator, carrying out synchronous personnel evacuation on the peripheral region of the abnormal region, and monitoring the firefighting passage around the abnormal region.
As a preferred embodiment of the present invention, the process of early warning efficiency evaluation in the fourth step is as follows:
acquiring a deviation value of acquisition speed and floating speed when remote early warning is performed on environmental parameters in a fire-fighting monitoring area without fire, and comparing the deviation value with a floating speed deviation value threshold range and a time consumption deviation value threshold range respectively when the environmental parameters float and change time consumption of corresponding signal levels in the fire-fighting monitoring area when remote early warning is performed on fire:
If the deviation value of the acquisition speed and the floating speed is not in the threshold range of the deviation value of the floating speed when the remote early warning is carried out in the fire-fighting monitoring area and the environment parameter is not in the threshold range of the deviation value of the floating speed when the remote early warning is carried out in the fire-fighting monitoring area and the deviation value of the time consumption of the environment parameter floating and the time consumption of the replacement of the corresponding signal level is not in the threshold range of the time consumption deviation value, judging that the remote early warning efficiency in the fire-fighting monitoring area is abnormal, carrying out operation and maintenance management on the data acquisition equipment in the current fire-fighting monitoring area and carrying out specification adjustment on the data acquisition equipment;
If the deviation value of the collection speed and the floating speed is in the range of the deviation value threshold of the floating speed during remote early warning of the environmental parameter without fire in the fire control monitoring area, and the deviation value of the time consuming of the floating of the environmental parameter and the time consuming of the replacement of the corresponding signal level is in the range of the deviation value threshold of the time consuming during remote early warning of the environmental parameter with fire in the fire control monitoring area, the remote early warning efficiency evaluation in the fire control monitoring area is judged to be normal.
Compared with the prior art, the invention has the beneficial effects that:
1. In the invention, fire control satisfaction analysis is carried out on a fire control monitoring area, and whether the set position of a fire hydrant in the current fire control monitoring area and any position of the fire control monitoring area meet the requirements is judged; thereby ensuring that the fire control performance in the fire control monitoring area can meet the actual area requirement, improving the early warning executability of the fire control monitoring area and effectively reducing the influence of fire occurrence; after the set position of the fire hydrant in the fire control monitoring area meets the area requirement, carrying out fire risk early warning on the fire control monitoring area; according to the analysis of any position of the fire control monitoring area, the fire risk is predicted by combining the environmental influence in the area of any position, and the fire early warning efficiency in the fire control monitoring area is improved.
2. In the invention, after satisfaction and risk analysis is completed, remote fire early warning is carried out on a message monitoring area; the fire disaster in the area is pre-warned through real-time environmental change analysis in the fire monitoring area, so that the accuracy and the high efficiency of fire disaster pre-warning are improved, the fire disaster control force is improved through data analysis, the fire disaster influence of the fire monitoring area is effectively reduced, and the timeliness of fire disaster control can be improved; performing fire early-warning efficiency assessment according to two scenes of whether fire exists or not in a remote fire early-warning period; and (3) carrying out efficiency evaluation on the remote fire early warning according to different scenes, and judging whether the current fire early warning efficiency is qualified or not, so that the remote fire early warning efficiency of the fire monitoring area is improved.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
Fig. 1 is a functional block diagram of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Referring to fig. 1, a remote monitoring and early warning method based on the fire-fighting internet of things is as follows:
step one, satisfaction analysis, namely performing fire control satisfaction analysis on a fire control monitoring area, and judging whether the set position of a fire hydrant in the current fire control monitoring area and any position of the fire control monitoring area meet requirements; thereby ensuring that the fire control performance in the fire control monitoring area can meet the actual area requirement, improving the early warning executability of the fire control monitoring area and effectively reducing the influence of fire occurrence;
Step two, risk analysis, namely performing fire risk early warning on the fire monitoring area after the set position of the fire hydrant in the fire monitoring area meets the area requirement; analyzing according to any position of the fire control monitoring area, and predicting fire risk by combining environmental influence in the area of any position, so that fire early warning efficiency in the fire control monitoring area is improved;
Thirdly, remotely monitoring, and performing remote fire early warning on the fire monitoring area after completing satisfaction and risk analysis; the fire disaster in the area is pre-warned through real-time environmental change analysis in the fire monitoring area, so that the accuracy and the high efficiency of fire disaster pre-warning are improved, the fire disaster control force is improved through data analysis, the fire disaster influence of the fire monitoring area is effectively reduced, and the timeliness of fire disaster control can be improved;
Step four, evaluating early warning efficiency, wherein the fire warning efficiency is evaluated according to two scenes of whether fire exists or not in a remote fire warning period; according to different scenes, efficiency evaluation is carried out on the remote fire early warning, whether the current fire early warning efficiency is qualified or not is judged, and therefore the remote fire early warning efficiency of a fire monitoring area is improved;
The specific process of the satisfaction analysis in the first step is as follows:
Acquiring the positions of the fire hydrants set in the fire control monitoring area, acquiring the coverage areas of the fire hydrants according to the positions of the fire hydrants after the positions of the fire hydrants are acquired, and performing fire control satisfaction analysis on the fire hydrants; obtaining the minimum interval difference between the available distance of the fire hydrant corresponding to the water supply belt in the fire control monitoring area and the interval between the fire hydrant and any position in the current coverage area and the maximum shortening amount of the corresponding water supply pipe diameter when the fire hydrant in the fire control monitoring area and the interval between the fire hydrant corresponding to the water supply belt in the fire control monitoring area and any position in the current coverage area are supplied, and comparing the minimum interval difference between the available distance of the fire hydrant corresponding to the water supply belt in the fire control monitoring area and the interval between the fire hydrant in the fire control monitoring area and any position in the coverage area and the maximum shortening amount of the corresponding water supply pipe diameter when the fire hydrant and the interval between the fire hydrant and the pipe diameter in the coverage area are supplied with the minimum interval difference threshold and the maximum shortening amount threshold respectively: it is understood that the diameter of the water supply belt is reduced at a position which is caused by the obstruction of a building in the water supply process of the water supply belt;
If the available distance between the corresponding water supply belt of the fire hydrant in the fire monitoring area and the corresponding minimum distance difference between the intervals of any position in the current coverage area do not exceed the minimum distance difference threshold, or the pipe diameter maximum shortening amount of the corresponding water supply pipe exceeds the pipe diameter maximum shortening amount threshold when the fire hydrant in the fire monitoring area supplies water at any position in the coverage area, judging that the corresponding fire hydrant in the fire monitoring area is unqualified in satisfaction analysis, and marking the corresponding fire hydrant as a non-satisfied object; if the distance between the available water supply belt corresponding to the fire hydrant in the fire monitoring area and the distance between the water supply belt corresponding to the fire hydrant in any position in the current coverage area exceeds a minimum distance difference threshold value, and the pipe diameter maximum shortening amount of the corresponding water supply pipe does not exceed the pipe diameter maximum shortening amount threshold value when the water supply is carried out between the fire hydrant in the fire monitoring area and the distance between the fire hydrant in any position in the coverage area, judging that the corresponding fire hydrant in the fire monitoring area is qualified in satisfaction analysis, and marking the corresponding fire hydrant as a meeting object;
Analyzing non-satisfied objects and satisfied objects in a fire control monitoring area, setting the non-satisfied objects as non-priority adjustment objects if the overlapping area occupation ratio of the covering areas of the non-satisfied objects and the satisfied objects exceeds an overlapping area occupation ratio threshold, setting the non-satisfied objects as priority adjustment objects if the overlapping area occupation ratio of the covering areas of the non-satisfied objects and the satisfied objects does not exceed the overlapping area occupation ratio threshold, performing fire hydrant re-addressing or specification replacement on the priority adjustment objects in the fire control monitoring area, and performing sequential single adjustment on the corresponding non-priority adjustment objects after the priority adjustment objects are adjusted;
The specific process of risk analysis in the second step is as follows:
risk analysis is carried out on each fire hydrant coverage area in a fire hydrant coverage area, average interval amounts of corresponding fire points of different types of placed articles in the fire hydrant coverage area and length proportion of overlapped routes in different air circulation routes in the fire hydrant coverage area are obtained, and the average interval amounts of corresponding fire points of different types of placed articles in the fire hydrant coverage area and the length proportion of the overlapped routes in different air circulation routes in the fire hydrant coverage area are compared with an average interval amount threshold and a route length proportion threshold respectively:
It can be understood that the longer the overlapping route of the air circulation route is, the fire disaster is avoided at the current position, and the area of the air circulation overlapping area is wide, so that the fire disaster risk is high;
If the average interval quantity of the corresponding fire points of different types of placed objects in the fire hydrant coverage area does not exceed the average interval quantity threshold value, or the length ratio of the overlapped routes in different air circulation routes in the fire hydrant coverage area exceeds the route length ratio threshold value, judging that the risk analysis of the current fire hydrant coverage area is abnormal, generating a high risk signal and sending the high risk signal to an administrator terminal, and after the administrator terminal receives the high risk signal, controlling the placed objects in the corresponding fire hydrant coverage area, and expanding the fire point difference value of the objects;
If the average interval quantity of the corresponding ignition points of different types of placed articles in the fire hydrant coverage area exceeds the average interval quantity threshold value and the length ratio of the overlapped routes in different air circulation routes in the fire hydrant coverage area does not exceed the route length ratio threshold value, judging that the risk analysis of the current fire hydrant coverage area is normal, generating a low risk signal and sending the low risk signal to an administrator terminal;
the remote monitoring process in the third step is as follows:
The method comprises the steps of carrying out remote monitoring on a fire-fighting monitoring area, obtaining the instantaneous increasing speed of a deviation value corresponding to the temperature floating span of the fire-fighting monitoring area and the current environment temperature floating span and the increasing speed of the synchronous increasing quantity of the temperature floating of the adjacent positions corresponding to the temperature floating time period of the temperature floating position in the fire-fighting monitoring area, and comparing the instantaneous increasing speed of the deviation value corresponding to the temperature floating span of the fire-fighting monitoring area and the current environment temperature floating span of the temperature floating span of any position in the fire-fighting monitoring area and the increasing speed of the synchronous increasing quantity of the temperature floating of the adjacent positions corresponding to the temperature floating time period of the temperature floating position in the fire-fighting monitoring area with an instantaneous increasing speed threshold value and a position quantity increasing speed threshold value respectively:
If the instantaneous increasing speed of the deviation value corresponding to the temperature floating span value and the current ambient temperature floating span at any position in the fire control monitoring area exceeds the instantaneous increasing speed threshold, or the increasing speed of the number of the temperature floating synchronous increases at the adjacent positions around the temperature floating period corresponding to the temperature floating position in the fire control monitoring area exceeds the position number increasing speed threshold, judging that the current fire control monitoring area is abnormal in remote monitoring, and constructing the current temperature floating position into an abnormal area; if the instantaneous increasing speed of the deviation value corresponding to the temperature floating span value and the current environment temperature floating span at any position in the fire control monitoring area does not exceed the instantaneous increasing speed threshold, and the increasing speed of the number of the temperature floating synchronous increases at the adjacent positions around the temperature floating period corresponding to the temperature floating position in the fire control monitoring area does not exceed the position number increasing speed threshold, judging that the remote monitoring of the current fire control monitoring area is normal;
Analyzing the abnormal region, if the temperature value of any position in the abnormal region rises and the minimum ignition point of the articles placed in the current position region is not reached, generating a first-level early warning signal and sending the first-level early warning signal to an administrator; if the temperature value of any position in the abnormal area reaches the minimum ignition point of the placed article in the current position area and the difference value reduction speed between the real-time temperature value and the adjacent ignition point of the minimum ignition point of the placed article exceeds the difference value reduction speed threshold, generating a secondary alarm signal and sending the secondary alarm signal to an administrator, and automatically unlocking a fire hydrant corresponding to the abnormal area and evacuating personnel in the current abnormal area; if the temperature value of any position in the abnormal region reaches the quantity ratio of the placed articles exceeding the quantity ratio threshold value, generating a three-level danger signal and sending the three-level danger signal to an administrator, carrying out synchronous personnel evacuation on the peripheral region of the abnormal region, monitoring fire channels around the abnormal region, and ensuring the passing stability of the fire channels;
the early warning efficiency evaluation process in the fourth step is as follows:
Acquiring a deviation value of the acquisition speed and the floating speed when the remote early warning is performed in the fire-fighting monitoring area and a deviation value of the time consumption of the floating of the environmental parameter and the time consumption of the replacement of the corresponding signal level when the remote early warning is performed in the fire-fighting monitoring area, and comparing the deviation value of the acquisition speed and the floating speed when the remote early warning is performed in the fire-fighting monitoring area and the time consumption of the floating of the environmental parameter and the time consumption of the replacement of the corresponding signal level when the remote early warning is performed in the fire-fighting monitoring area with a deviation value of the floating of the environmental parameter and a time consumption of the replacement of the corresponding signal level respectively with a deviation value threshold range of the floating speed and a time consumption deviation value threshold range: the environmental parameters are expressed as parameters such as environmental temperature, humidity and the like;
If the deviation value of the acquisition speed and the floating speed is not in the range of the deviation value threshold of the floating speed when the remote early warning is carried out on the environmental parameter in the fire-fighting monitoring area without fire disaster, or the deviation value of the time consuming of the floating of the environmental parameter and the time consuming of the replacement of the corresponding signal level is not in the range of the deviation value threshold of the time consuming when the remote early warning is carried out on the fire disaster in the fire-fighting monitoring area, judging that the efficiency evaluation is abnormal in the fire-fighting monitoring area, generating an efficiency evaluation abnormal signal and sending the efficiency evaluation abnormal signal to an administrator, and after the administrator receives the efficiency evaluation abnormal signal, carrying out operation and maintenance management on the data acquisition equipment in the current fire-fighting monitoring area and carrying out specification adjustment on the data acquisition equipment;
If the deviation value of the collection speed and the floating speed is in the range of the deviation value threshold of the floating speed when the remote early warning is carried out on the environmental parameter in the fire-fighting monitoring area without fire, and the deviation value of the time consuming of the floating of the environmental parameter and the time consuming of the replacement of the corresponding signal level is in the range of the deviation value threshold of the time consuming when the remote early warning is carried out on the environmental parameter in the fire-fighting monitoring area, the efficiency evaluation is normal in the fire-fighting monitoring area, the efficiency evaluation normal signal is generated, and the efficiency evaluation normal signal is sent to an administrator.
When the fire hydrant monitoring system is used, satisfaction analysis is carried out, fire control satisfaction analysis is carried out on a fire control monitoring area, and whether the set position of the fire hydrant in the current fire control monitoring area and any position of the fire control monitoring area meet requirements is judged; the risk analysis is carried out, and fire risk early warning is carried out on the fire monitoring area after the set position of the fire hydrant in the fire monitoring area meets the area requirement; analyzing according to any position of the fire control monitoring area, and predicting fire risk by combining the influence of the environment in the area of any position; remote monitoring, namely performing remote fire early warning on a fire monitoring area after satisfaction and risk analysis are completed; early warning is carried out on regional fire disasters through real-time environmental change analysis in the fire control monitoring region; the early warning efficiency evaluation is carried out according to two scenes of fire or not in a remote fire early warning period; and carrying out efficiency evaluation on the remote fire early warning according to different scenes.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. The remote monitoring and early warning method based on the fire-fighting Internet of things is characterized by comprising the following steps of:
step one, satisfaction analysis, namely performing fire control satisfaction analysis on a fire control monitoring area, and judging whether the set position of a fire hydrant in the current fire control monitoring area and any position of the fire control monitoring area meet requirements; the specific process of the satisfaction analysis in the first step is as follows:
acquiring the positions of the fire hydrants set in the fire control monitoring area, acquiring the coverage areas of the fire hydrants according to the positions of the fire hydrants after the positions of the fire hydrants are acquired, and performing fire control satisfaction analysis on the fire hydrants; the method comprises the steps of obtaining the minimum interval difference between the available distance of a water supply belt corresponding to a fire hydrant in a fire control area and the interval of any position in a current coverage area and the maximum shortening amount of the pipe diameter of a corresponding water supply pipe when the fire hydrant in the fire control area supplies water with the interval of any position in the coverage area, and comparing the maximum shortening amount with a minimum interval difference threshold value and a pipe diameter maximum shortening amount threshold value respectively:
If the distance between the available water supply belt corresponding to the fire hydrant in the fire control monitoring area and the distance between the fire hydrant and the corresponding water supply belt in any position in the current coverage area does not exceed the minimum distance difference threshold, or the maximum reduction of the pipe diameter of the corresponding water supply pipe exceeds the maximum reduction threshold of the pipe diameter when the fire hydrant in the fire control monitoring area supplies water in any position in the coverage area, marking the corresponding fire hydrant as a non-satisfied object; if the distance between the available water supply belt corresponding to the fire hydrant in the fire control monitoring area and the distance between the fire hydrant and any position in the current coverage area is smaller than a threshold value of the minimum distance, and the pipe diameter maximum shortening amount of the corresponding water supply pipe is smaller than the threshold value of the pipe diameter maximum shortening amount when the fire hydrant in the fire control monitoring area supplies water at any position in the coverage area, marking the corresponding fire hydrant as a meeting object;
Analyzing non-satisfied objects and satisfied objects in a fire control monitoring area, setting the non-satisfied objects as non-priority adjustment objects if the overlapping area occupation ratio of the covering areas of the non-satisfied objects and the satisfied objects exceeds an overlapping area occupation ratio threshold, setting the non-satisfied objects as priority adjustment objects if the overlapping area occupation ratio of the covering areas of the non-satisfied objects and the satisfied objects does not exceed the overlapping area occupation ratio threshold, performing fire hydrant re-addressing or specification replacement on the priority adjustment objects in the fire control monitoring area, and performing sequential single adjustment on the corresponding non-priority adjustment objects after the priority adjustment objects are adjusted;
Step two, risk analysis, namely performing fire risk early warning on the fire monitoring area after the set position of the fire hydrant in the fire monitoring area meets the area requirement; analyzing according to any position of the fire control monitoring area, and predicting fire risk by combining the influence of the environment in the area of any position;
Thirdly, remotely monitoring, and performing remote fire early warning on the fire monitoring area after completing satisfaction and risk analysis; early warning is carried out on regional fire disasters through real-time environmental change analysis in the fire control monitoring region;
Step four, evaluating early warning efficiency, wherein the fire warning efficiency is evaluated according to two scenes of whether fire exists or not in a remote fire warning period; and carrying out efficiency evaluation on the remote fire early warning according to different scenes.
2. The remote monitoring and early warning method based on the fire-fighting Internet of things according to claim 1, wherein the specific process of risk analysis in the second step is as follows:
Risk analysis is carried out on each fire hydrant coverage area in the fire hydrant coverage area, average interval amounts of corresponding ignition points of different types of placed objects in the fire hydrant coverage area and length ratios of overlapped routes in different air circulation routes in the fire hydrant coverage area are obtained, and the average interval amounts and the route length ratio threshold are compared respectively:
If the average interval quantity of the corresponding ignition points of different types of placed articles in the fire hydrant coverage area does not exceed the average interval quantity threshold, or the length ratio of the overlapped routes in different air circulation routes in the fire hydrant coverage area exceeds the route length ratio threshold, judging that the risk analysis of the current fire hydrant coverage area is abnormal, controlling the placed articles in the corresponding fire hydrant coverage area, and expanding the ignition point difference value of the articles; if the average interval quantity of the corresponding ignition points of different types of placed articles in the fire hydrant coverage area exceeds the average interval quantity threshold value and the length ratio of the overlapped routes in different air circulation routes in the fire hydrant coverage area does not exceed the route length ratio threshold value, judging that the risk analysis of the current fire hydrant coverage area is normal.
3. The remote monitoring and early warning method based on the fire-fighting Internet of things according to claim 1, wherein the process of remote monitoring in the third step is as follows:
The method comprises the steps of remotely monitoring a fire control monitoring area, obtaining the instantaneous increasing speed of a deviation value corresponding to the temperature floating span value and the current environment temperature floating span at any position in the fire control monitoring area and the increasing speed of the quantity of synchronous increase of the temperature floating at the adjacent positions corresponding to the temperature floating period of the temperature floating position in the fire control monitoring area, and comparing the instantaneous increasing speed threshold and the increasing speed threshold of the quantity of positions respectively:
If the instantaneous increasing speed of the deviation value corresponding to the temperature floating span value and the current ambient temperature floating span at any position in the fire control monitoring area exceeds the instantaneous increasing speed threshold, or the increasing speed of the number of the temperature floating synchronous increases at the adjacent positions around the temperature floating period corresponding to the temperature floating position in the fire control monitoring area exceeds the position number increasing speed threshold, judging that the current fire control monitoring area is abnormal in remote monitoring, and constructing the current temperature floating position into an abnormal area; if the instantaneous increasing speed of the deviation value corresponding to the temperature floating span value and the current environment temperature floating span at any position in the fire control monitoring area does not exceed the instantaneous increasing speed threshold, and the increasing speed of the number of the temperature floating synchronous increases corresponding to the adjacent positions around the temperature floating period of the temperature floating position in the fire control monitoring area does not exceed the increasing speed threshold of the number of the positions, judging that the remote monitoring of the current fire control monitoring area is normal.
4. The remote monitoring and early warning method based on the fire-fighting Internet of things is characterized in that an abnormal area is analyzed, and if the temperature value of any position in the abnormal area is increased and the minimum ignition point of the placed object in the current position area is not reached, a first-level early warning signal is generated and sent to an administrator; if the temperature value of any position in the abnormal area reaches the minimum ignition point of the placed article in the current position area and the difference value reduction speed between the real-time temperature value and the adjacent ignition point of the minimum ignition point of the placed article exceeds the difference value reduction speed threshold, generating a secondary alarm signal and sending the secondary alarm signal to an administrator, and automatically unlocking a fire hydrant corresponding to the abnormal area and evacuating personnel in the current abnormal area; if the temperature value of any position in the abnormal region reaches the quantity ratio of the placed articles exceeding the quantity ratio threshold value, generating a three-level danger signal and sending the three-level danger signal to an administrator, carrying out synchronous personnel evacuation on the peripheral region of the abnormal region, and monitoring the firefighting passage around the abnormal region.
5. The remote monitoring and early warning method based on the fire-fighting Internet of things according to claim 1, wherein the early warning efficiency evaluation in the fourth step is as follows:
acquiring a deviation value of acquisition speed and floating speed when remote early warning is performed on environmental parameters in a fire-fighting monitoring area without fire, and comparing the deviation value with a floating speed deviation value threshold range and a time consumption deviation value threshold range respectively when the environmental parameters float and change time consumption of corresponding signal levels in the fire-fighting monitoring area when remote early warning is performed on fire:
If the deviation value of the acquisition speed and the floating speed is not in the threshold range of the deviation value of the floating speed when the remote early warning is carried out in the fire-fighting monitoring area and the environment parameter is not in the threshold range of the deviation value of the floating speed when the remote early warning is carried out in the fire-fighting monitoring area and the deviation value of the time consumption of the environment parameter floating and the time consumption of the replacement of the corresponding signal level is not in the threshold range of the time consumption deviation value, judging that the remote early warning efficiency in the fire-fighting monitoring area is abnormal, carrying out operation and maintenance management on the data acquisition equipment in the current fire-fighting monitoring area and carrying out specification adjustment on the data acquisition equipment;
If the deviation value of the collection speed and the floating speed is in the range of the deviation value threshold of the floating speed during remote early warning of the environmental parameter without fire in the fire control monitoring area, and the deviation value of the time consuming of the floating of the environmental parameter and the time consuming of the replacement of the corresponding signal level is in the range of the deviation value threshold of the time consuming during remote early warning of the environmental parameter with fire in the fire control monitoring area, the remote early warning efficiency evaluation in the fire control monitoring area is judged to be normal.
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