CN112820058B - Fire safety evaluation system for personnel-intensive place complex - Google Patents
Fire safety evaluation system for personnel-intensive place complex Download PDFInfo
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- CN112820058B CN112820058B CN202011618702.8A CN202011618702A CN112820058B CN 112820058 B CN112820058 B CN 112820058B CN 202011618702 A CN202011618702 A CN 202011618702A CN 112820058 B CN112820058 B CN 112820058B
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- 238000011156 evaluation Methods 0.000 title claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 342
- 239000000779 smoke Substances 0.000 claims abstract description 274
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- 238000012545 processing Methods 0.000 claims description 3
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
- G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
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Abstract
The invention provides a fire safety evaluation system for a personnel-intensive place complex, which comprises M fire safety alarm monitoring systems arranged in the personnel-intensive place, wherein the fire safety alarm monitoring systems comprise a temperature monitoring sensor, a smoke monitoring sensor, an image monitoring sensor, a position monitoring sensor, a controller, a network connector and an alarm; the alarm comprises a first alarm and a second alarm. The invention can make safety warning evaluation on the fire safety of the comprehensive body in the personnel-intensive places, and enhance the fire safety.
Description
Technical Field
The invention relates to the technical field of fire safety, in particular to a comprehensive fire safety evaluation system for a personnel-intensive place.
Background
Among the various disasters, fire is one of the most frequent and most widespread disasters threatening public safety and social development. In recent years, various disaster causing factors are obviously increased, and the scale of the disaster is also continuously expanding. With the increase of safety awareness of people, fire safety has also been popularized in more and more people.
Disclosure of Invention
The invention aims to at least solve the technical problems in the prior art, and particularly creatively provides a comprehensive fire safety evaluation system for a personnel-intensive place.
In order to achieve the above object, the invention provides a fire safety evaluation system for a personnel-intensive place complex, which comprises M fire safety alarm monitoring systems arranged in the personnel-intensive place, wherein M is a positive integer greater than or equal to 1, and the fire safety alarm monitoring systems comprise a temperature monitoring sensor, a smoke monitoring sensor, an image monitoring sensor, a position monitoring sensor, a controller, a network connector and an alarm; the alarm comprises a first alarm and a second alarm;
the temperature data signal output end of the temperature monitoring sensor is connected with the temperature data signal input end of the controller, the smoke data signal output end of the smoke monitoring sensor is connected with the smoke data signal input end of the controller, the image data signal output end of the image monitoring sensor is connected with the image data signal input end of the controller, the position data signal output end of the position monitoring sensor is connected with the position data signal input end of the controller, the network connection end of the network connector is connected with the network connection end of the controller, the alarm data signal input end of the first alarm is connected with the alarm first data signal output end of the controller, and the alarm data signal input end of the second alarm is connected with the alarm second data signal output end of the controller;
the temperature monitoring sensor is used for monitoring a site temperature value, the smoke monitoring sensor is used for monitoring a site smoke concentration value, the image monitoring sensor is used for collecting site image data, the position monitoring sensor is used for positioning a site position, the network connector is connected with other network connectors and the cloud server, and the alarm is used for giving an alarm when a disaster occurs in the site;
the temperature monitoring sensor is pre-stored with a preset temperature monitoring sensor temperature threshold value, the smoke monitoring sensor is pre-stored with a preset smoke monitoring sensor smoke concentration threshold value, the controller is pre-stored with a preset temperature monitoring sensor temperature alarm threshold value, the preset temperature monitoring sensor temperature alarm threshold value is larger than the preset temperature monitoring sensor temperature threshold value, the controller is pre-stored with a preset smoke concentration monitoring sensor smoke concentration alarm threshold value, the preset smoke concentration monitoring sensor smoke concentration alarm threshold value is larger than the preset smoke concentration monitoring sensor smoke concentration threshold value, and the temperature value monitored by the temperature monitoring sensor is larger than the temperature value monitored by the preset temperature monitoring sensor; when the smoke concentration value monitored by the smoke monitoring sensor is greater than the smoke concentration threshold value of the preset smoke monitoring sensor, the smoke concentration value monitored by the smoke monitoring sensor is sent to the controller, and when the temperature value monitored by the temperature monitoring sensor received by the controller is greater than or equal to the temperature alarm threshold value of the preset temperature monitoring sensor or/and the smoke concentration value monitored by the smoke monitoring sensor is greater than or equal to the smoke concentration alarm threshold value of the preset smoke concentration monitoring sensor, the alarm is controlled to send an alarm signal;
the controller controls the first alarm to send an alarm signal when the temperature value monitored by the temperature monitoring sensor received by the controller is greater than or equal to a preset temperature monitoring sensor temperature alarm first threshold value or/and the smoke concentration value monitored by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm first threshold value; the first threshold value of the temperature alarm of the preset temperature monitoring sensor is equal to the temperature alarm threshold value of the preset temperature monitoring sensor, and the first threshold value of the smoke concentration alarm of the preset smoke concentration monitoring sensor is equal to the smoke concentration alarm threshold value of the preset smoke concentration monitoring sensor;
when the temperature value monitored by the temperature monitoring sensor received by the controller is greater than or equal to a preset temperature monitoring sensor temperature alarm second threshold value or/and the smoke concentration value monitored by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm second threshold value, the controller controls the second alarm to send an alarm signal; the second threshold value of the temperature alarm of the preset temperature monitoring sensor is larger than the first threshold value of the temperature alarm of the preset temperature monitoring sensor, and the second threshold value of the smoke concentration alarm of the preset smoke concentration monitoring sensor is larger than the first threshold value of the smoke concentration alarm of the preset smoke concentration monitoring sensor;
when the first alarm or/and the second alarm gives an alarm, the controller controls the image data collected by the image monitoring sensor and the position monitored by the position monitoring sensor to be transmitted to the cloud server through the network connector.
In a preferred embodiment of the invention, the method comprises the steps of:
s1, a temperature monitoring sensor and a smoke monitoring sensor work;
s2, the controller gives an alarm according to the data information of the temperature monitoring sensor and the smoke monitoring sensor;
and S3, uploading the image data acquired by the image monitoring sensor to a cloud server for image processing, and feeding back the result to the intelligent terminal.
In a preferred embodiment of the present invention, in step S1, the temperature monitoring sensor includes the steps of:
s11, initializing a temperature monitoring sensor;
s12, after the initialization of the temperature monitoring sensor is completed, the controller writes a preset temperature threshold value of the temperature monitoring sensor into the temperature monitoring sensor; and controlling a temperature monitoring sensor to collect a site temperature value;
s13, comparing whether the temperature value acquired by the temperature monitoring sensor is smaller than or equal to a preset temperature threshold value of the temperature monitoring sensor:
if the temperature value acquired by the temperature monitoring sensor is smaller than or equal to the temperature threshold value of the preset temperature monitoring sensor, discarding the temperature value acquired by the temperature monitoring sensor, and continuously acquiring the on-site temperature value by the temperature monitoring sensor; returning to the step S13;
if the temperature value acquired by the temperature monitoring sensor is larger than the temperature threshold value of the preset temperature monitoring sensor, the temperature value acquired by the temperature monitoring sensor is sent to the controller, and the temperature monitoring sensor continuously acquires the on-site temperature value; returning to step S13.
In a preferred embodiment of the present invention, in step S1, the smoke monitoring sensor comprises the steps of:
s11, initializing a smoke concentration monitoring sensor;
s12, after the initialization of the smoke concentration monitoring sensor is completed, the controller writes a smoke concentration threshold value of the preset smoke concentration monitoring sensor into the smoke concentration monitoring sensor; controlling a smoke concentration monitoring sensor to collect a site smoke concentration value;
s13, comparing whether the smoke concentration value acquired by the smoke concentration monitoring sensor is smaller than or equal to a preset smoke concentration threshold value of the smoke concentration monitoring sensor:
if the smoke concentration value acquired by the smoke concentration monitoring sensor is smaller than or equal to the smoke concentration threshold value of the preset smoke concentration monitoring sensor, discarding the smoke concentration value acquired by the smoke concentration monitoring sensor, and continuously acquiring the on-site smoke concentration value by the smoke concentration monitoring sensor; returning to the step S13;
if the smoke concentration value acquired by the smoke concentration monitoring sensor is larger than the smoke concentration threshold of the preset smoke concentration monitoring sensor, the smoke concentration value acquired by the smoke concentration monitoring sensor is sent to the controller, and the smoke concentration monitoring sensor continuously acquires the on-site smoke concentration value; returning to step S23.
In a preferred embodiment of the present invention, the following steps are included in step S2:
s21, a first threshold value for alarming the temperature of a preset temperature monitoring sensor is pre-stored in the controller, and a first threshold value for alarming the smoke concentration of the preset smoke concentration monitoring sensor is pre-stored in the controller;
s22, the controller judges whether the temperature value sent to the controller by the temperature monitoring sensor is greater than or equal to a preset temperature monitoring sensor temperature alarm first threshold value or/and whether the smoke concentration value sent to the controller by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm first threshold value;
if the temperature value sent to the controller by the temperature monitoring sensor is greater than or equal to a preset temperature monitoring sensor temperature alarm first threshold value, and the smoke concentration value sent to the controller by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm first threshold value; the controller sends an alarm signal to the first alarm, and the sending frequency of the first alarm is f 1 Is a warning signal of (a);
otherwise, the controller does not send an alarm signal to the first alarm.
In a preferred embodiment of the present invention, the following steps are included in step S2:
s21, a second threshold value for alarming the temperature of the preset temperature monitoring sensor is pre-stored in the controller, and a second threshold value for alarming the smoke concentration of the preset smoke concentration monitoring sensor is pre-stored in the controller;
s22, the controller judges whether the temperature value sent to the controller by the temperature monitoring sensor is greater than or equal to a preset temperature monitoring sensor temperature alarm second threshold value or/and whether the smoke concentration value sent to the controller by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm second threshold value;
if the temperature value sent to the controller by the temperature monitoring sensor is greater than or equal to the preset temperature alarm of the temperature monitoring sensorThe smoke concentration value sent to the controller by the smoke monitoring sensor is larger than or equal to a preset smoke concentration alarm second threshold value of the smoke concentration monitoring sensor; the controller sends an alarm signal to the second alarm, and the sending frequency of the second alarm is f 2 Is a warning signal of (a);
otherwise, the controller does not send an alarm signal to the second alarm.
In conclusion, by adopting the technical scheme, the fire safety warning evaluation method can evaluate the fire safety of the comprehensive body in the dense places, and the fire safety is enhanced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
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The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic block diagram of a flow of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
The invention provides a fire safety evaluation system for a personnel-intensive place complex, which comprises M fire safety alarm monitoring systems arranged in the personnel-intensive place, wherein M is a positive integer greater than or equal to 1, and the fire safety alarm monitoring systems comprise a temperature monitoring sensor, a smoke monitoring sensor, an image monitoring sensor, a position monitoring sensor, a controller, a network connector and an alarm; the alarm comprises a first alarm and a second alarm;
the temperature data signal output end of the temperature monitoring sensor is connected with the temperature data signal input end of the controller, the smoke data signal output end of the smoke monitoring sensor is connected with the smoke data signal input end of the controller, the image data signal output end of the image monitoring sensor is connected with the image data signal input end of the controller, the position data signal output end of the position monitoring sensor is connected with the position data signal input end of the controller, the network connection end of the network connector is connected with the network connection end of the controller, the alarm data signal input end of the first alarm is connected with the alarm first data signal output end of the controller, and the alarm data signal input end of the second alarm is connected with the alarm second data signal output end of the controller;
the temperature monitoring sensor is used for monitoring a site temperature value, the smoke monitoring sensor is used for monitoring a site smoke concentration value, the image monitoring sensor is used for collecting site image data, the position monitoring sensor is used for positioning a site position, the network connector is connected with other network connectors and the cloud server, and the alarm is used for giving an alarm when a disaster occurs in the site;
the temperature monitoring sensor is pre-stored with a preset temperature monitoring sensor temperature threshold value, the smoke monitoring sensor is pre-stored with a preset smoke monitoring sensor smoke concentration threshold value, the controller is pre-stored with a preset temperature monitoring sensor temperature alarm threshold value, the preset temperature monitoring sensor temperature alarm threshold value is larger than the preset temperature monitoring sensor temperature threshold value, the controller is pre-stored with a preset smoke concentration monitoring sensor smoke concentration alarm threshold value, the preset smoke concentration monitoring sensor smoke concentration alarm threshold value is larger than the preset smoke concentration monitoring sensor smoke concentration threshold value, and the temperature value monitored by the temperature monitoring sensor is larger than the temperature value monitored by the preset temperature monitoring sensor; when the smoke concentration value monitored by the smoke monitoring sensor is greater than the smoke concentration threshold value of the preset smoke monitoring sensor, the smoke concentration value monitored by the smoke monitoring sensor is sent to the controller, and when the temperature value monitored by the temperature monitoring sensor received by the controller is greater than or equal to the temperature alarm threshold value of the preset temperature monitoring sensor or/and the smoke concentration value monitored by the smoke monitoring sensor is greater than or equal to the smoke concentration alarm threshold value of the preset smoke concentration monitoring sensor, the alarm is controlled to send an alarm signal;
the controller controls the first alarm to send an alarm signal when the temperature value monitored by the temperature monitoring sensor received by the controller is greater than or equal to a preset temperature monitoring sensor temperature alarm first threshold value or/and the smoke concentration value monitored by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm first threshold value; the frequency of the alarm signal sent by the first alarm is f 1 The first threshold value of the temperature alarm of the preset temperature monitoring sensor is equal to the temperature alarm threshold value of the preset temperature monitoring sensor, and the first threshold value of the smoke concentration alarm of the preset smoke concentration monitoring sensor is equal to the smoke concentration alarm threshold value of the preset smoke concentration monitoring sensor;
when the temperature value monitored by the temperature monitoring sensor received by the controller is greater than or equal to a preset temperature monitoring sensor temperature alarm second threshold value or/and the smoke concentration value monitored by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm second threshold value, the controller controls the second alarm to send an alarm signal; the frequency of the alarm signal sent by the second alarm is f 2 ，f 2 ＝f 1 +f, f is the adjustment increasing frequency, and f is a positive number greater than 0; the second threshold value of the temperature alarm of the preset temperature monitoring sensor is larger than the first threshold value of the temperature alarm of the preset temperature monitoring sensor, and the second threshold value of the smoke concentration alarm of the preset smoke concentration monitoring sensor is larger than the first threshold value of the smoke concentration alarm of the preset smoke concentration monitoring sensor;
when the first alarm or/and the second alarm gives an alarm, the controller controls the image data collected by the image monitoring sensor and the position monitored by the position monitoring sensor to be transmitted to the cloud server through the network connector.
In a preferred embodiment of the present invention, as shown in fig. 1, the method comprises the steps of:
s1, a temperature monitoring sensor and a smoke monitoring sensor work;
s2, the controller gives an alarm according to the data information of the temperature monitoring sensor and the smoke monitoring sensor;
and S3, uploading the image data acquired by the image monitoring sensor to a cloud server for image processing, and feeding back the result to the intelligent terminal.
In a preferred embodiment of the present invention, in step S1, the temperature monitoring sensor includes the steps of:
s11, initializing a temperature monitoring sensor;
s12, after the initialization of the temperature monitoring sensor is completed, the controller writes a preset temperature threshold value of the temperature monitoring sensor into the temperature monitoring sensor; and controlling a temperature monitoring sensor to collect a site temperature value;
s13, comparing whether the temperature value acquired by the temperature monitoring sensor is smaller than or equal to a preset temperature threshold value of the temperature monitoring sensor:
if the temperature value acquired by the temperature monitoring sensor is smaller than or equal to the temperature threshold value of the preset temperature monitoring sensor, discarding the temperature value acquired by the temperature monitoring sensor, and continuously acquiring the on-site temperature value by the temperature monitoring sensor; returning to the step S13;
if the temperature value acquired by the temperature monitoring sensor is larger than the temperature threshold value of the preset temperature monitoring sensor, the temperature value acquired by the temperature monitoring sensor is sent to the controller, and the temperature monitoring sensor continuously acquires the on-site temperature value; returning to step S13.
In a preferred embodiment of the present invention, in step S1, the smoke monitoring sensor comprises the steps of:
s11, initializing a smoke concentration monitoring sensor;
s12, after the initialization of the smoke concentration monitoring sensor is completed, the controller writes a smoke concentration threshold value of the preset smoke concentration monitoring sensor into the smoke concentration monitoring sensor; controlling a smoke concentration monitoring sensor to collect a site smoke concentration value;
s13, comparing whether the smoke concentration value acquired by the smoke concentration monitoring sensor is smaller than or equal to a preset smoke concentration threshold value of the smoke concentration monitoring sensor:
if the smoke concentration value acquired by the smoke concentration monitoring sensor is smaller than or equal to the smoke concentration threshold value of the preset smoke concentration monitoring sensor, discarding the smoke concentration value acquired by the smoke concentration monitoring sensor, and continuously acquiring the on-site smoke concentration value by the smoke concentration monitoring sensor; returning to the step S13;
if the smoke concentration value acquired by the smoke concentration monitoring sensor is larger than the smoke concentration threshold of the preset smoke concentration monitoring sensor, the smoke concentration value acquired by the smoke concentration monitoring sensor is sent to the controller, and the smoke concentration monitoring sensor continuously acquires the on-site smoke concentration value; returning to step S23.
In a preferred embodiment of the present invention, the following steps are included in step S2:
s21, a first threshold value for alarming the temperature of a preset temperature monitoring sensor is pre-stored in the controller, and a first threshold value for alarming the smoke concentration of the preset smoke concentration monitoring sensor is pre-stored in the controller;
s22, the controller judges whether the temperature value sent to the controller by the temperature monitoring sensor is greater than or equal to a preset temperature monitoring sensor temperature alarm first threshold value or/and whether the smoke concentration value sent to the controller by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm first threshold value;
if the temperature value sent to the controller by the temperature monitoring sensor is greater than or equal to a preset temperature monitoring sensor temperature alarm first threshold value, and the smoke concentration value sent to the controller by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm first threshold value; the controller sends an alarm signal to the first alarm, and the sending frequency of the first alarm is f 1 Is a warning signal of (a);
otherwise, the controller does not send an alarm signal to the first alarm.
In a preferred embodiment of the present invention, the following steps are included in step S2:
s21, a second threshold value for alarming the temperature of the preset temperature monitoring sensor is pre-stored in the controller, and a second threshold value for alarming the smoke concentration of the preset smoke concentration monitoring sensor is pre-stored in the controller;
s22, the controller judges whether the temperature value sent to the controller by the temperature monitoring sensor is greater than or equal to a preset temperature monitoring sensor temperature alarm second threshold value or/and whether the smoke concentration value sent to the controller by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm second threshold value;
if the temperature value sent to the controller by the temperature monitoring sensor is greater than or equal to a preset temperature monitoring sensor temperature alarm second threshold value, and the smoke concentration value sent to the controller by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm second threshold value; the controller sends an alarm signal to the second alarm, and the sending frequency of the second alarm is f 2 Is a warning signal of (a);
otherwise, the controller does not send an alarm signal to the second alarm.
In a preferred embodiment of the present invention, the following steps are included in step S3:
s31, collecting the image data P collected by the image monitoring sensor t l Performing site position classification, wherein l represents the position where the image monitoring sensor is arranged, and t represents the acquisition time of the image monitoring sensor;
s32, analyzing and judging the personnel density in the images of the same position and place at different moments:
if the personnel concentration in the image is greater than or equal to a preset personnel concentration threshold, the cloud server sends an alarm instruction to the intelligent terminal; the alert instruction includes an alert location.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. The fire safety evaluation system for the personnel-intensive place complex is characterized by comprising M fire safety alarm monitoring systems arranged in the personnel-intensive place, wherein M is a positive integer greater than or equal to 1, and the fire safety alarm monitoring systems comprise a temperature monitoring sensor, a smoke monitoring sensor, an image monitoring sensor, a position monitoring sensor, a controller, a network connector and an alarm; the alarm comprises a first alarm and a second alarm;
the temperature data signal output end of the temperature monitoring sensor is connected with the temperature data signal input end of the controller, the smoke data signal output end of the smoke monitoring sensor is connected with the smoke data signal input end of the controller, the image data signal output end of the image monitoring sensor is connected with the image data signal input end of the controller, the position data signal output end of the position monitoring sensor is connected with the position data signal input end of the controller, the network connection end of the network connector is connected with the network connection end of the controller, the alarm data signal input end of the first alarm is connected with the alarm first data signal output end of the controller, and the alarm data signal input end of the second alarm is connected with the alarm second data signal output end of the controller;
the temperature monitoring sensor is used for monitoring a site temperature value, the smoke monitoring sensor is used for monitoring a site smoke concentration value, the image monitoring sensor is used for collecting site image data, the position monitoring sensor is used for positioning a site position, the network connector is connected with other network connectors and the cloud server, and the alarm is used for giving an alarm when a disaster occurs in the site;
the temperature monitoring sensor is pre-stored with a preset temperature monitoring sensor temperature threshold value, the smoke monitoring sensor is pre-stored with a preset smoke monitoring sensor smoke concentration threshold value, the controller is pre-stored with a preset temperature monitoring sensor temperature alarm threshold value, the preset temperature monitoring sensor temperature alarm threshold value is larger than the preset temperature monitoring sensor temperature threshold value, the controller is pre-stored with a preset smoke concentration monitoring sensor smoke concentration alarm threshold value, the preset smoke concentration monitoring sensor smoke concentration alarm threshold value is larger than the preset smoke concentration monitoring sensor smoke concentration threshold value, and the temperature value monitored by the temperature monitoring sensor is larger than the temperature value monitored by the preset temperature monitoring sensor; when the smoke concentration value monitored by the smoke monitoring sensor is greater than the smoke concentration threshold value of the preset smoke monitoring sensor, the smoke concentration value monitored by the smoke monitoring sensor is sent to the controller, and when the temperature value monitored by the temperature monitoring sensor received by the controller is greater than or equal to the temperature alarm threshold value of the preset temperature monitoring sensor or/and the smoke concentration value monitored by the smoke monitoring sensor is greater than or equal to the smoke concentration alarm threshold value of the preset smoke concentration monitoring sensor, the alarm is controlled to send an alarm signal;
the controller controls the first alarm to send an alarm signal when the temperature value monitored by the temperature monitoring sensor received by the controller is greater than or equal to a preset temperature monitoring sensor temperature alarm first threshold value or/and the smoke concentration value monitored by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm first threshold value; the first threshold value of the temperature alarm of the preset temperature monitoring sensor is equal to the temperature alarm threshold value of the preset temperature monitoring sensor, and the first threshold value of the smoke concentration alarm of the preset smoke concentration monitoring sensor is equal to the smoke concentration alarm threshold value of the preset smoke concentration monitoring sensor;
when the temperature value monitored by the temperature monitoring sensor received by the controller is greater than or equal to a preset temperature monitoring sensor temperature alarm second threshold value or/and the smoke concentration value monitored by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm second threshold value, the controller controls the second alarm to send an alarm signal; the second threshold value of the temperature alarm of the preset temperature monitoring sensor is larger than the first threshold value of the temperature alarm of the preset temperature monitoring sensor, and the second threshold value of the smoke concentration alarm of the preset smoke concentration monitoring sensor is larger than the first threshold value of the smoke concentration alarm of the preset smoke concentration monitoring sensor;
when the first alarm or/and the second alarm gives an alarm, the controller controls the image data collected by the image monitoring sensor and the position monitored by the position monitoring sensor to be transmitted to the cloud server through the network connector;
the frequency of the alarm signal sent by the first alarm is f 1 The frequency of the alarm signal sent by the second alarm is f 2 ，f 2 ＝f 1 +f, f is the adjustment increasing frequency, and f is a positive number greater than 0; image data P acquired by an image monitoring sensor t l Performing site position classification, wherein l represents the position where the image monitoring sensor is arranged, and t represents the acquisition time of the image monitoring sensor;
analyzing and judging the personnel density in images of the same position and place at different moments:
if the personnel concentration in the image is greater than or equal to a preset personnel concentration threshold, the cloud server sends an alarm instruction to the intelligent terminal; the alert instruction includes an alert location.
2. The method of operation of a personnel intensive care site complex fire safety evaluation system of claim 1, comprising the steps of:
s1, a temperature monitoring sensor and a smoke monitoring sensor work;
s2, the controller gives an alarm according to the data information of the temperature monitoring sensor and the smoke monitoring sensor;
and S3, uploading the image data acquired by the image monitoring sensor to a cloud server for image processing, and feeding back the result to the intelligent terminal.
3. The method of operation of a personnel intensive care site complex fire safety evaluation system as claimed in claim 2, wherein in step S1 the temperature monitoring sensor comprises the steps of:
s11, initializing a temperature monitoring sensor;
s12, after the initialization of the temperature monitoring sensor is completed, the controller writes a preset temperature threshold value of the temperature monitoring sensor into the temperature monitoring sensor; and controlling a temperature monitoring sensor to collect a site temperature value;
s13, comparing whether the temperature value acquired by the temperature monitoring sensor is smaller than or equal to a preset temperature threshold value of the temperature monitoring sensor:
if the temperature value acquired by the temperature monitoring sensor is smaller than or equal to the temperature threshold value of the preset temperature monitoring sensor, discarding the temperature value acquired by the temperature monitoring sensor, and continuously acquiring the on-site temperature value by the temperature monitoring sensor; returning to the step S13;
if the temperature value acquired by the temperature monitoring sensor is larger than the temperature threshold value of the preset temperature monitoring sensor, the temperature value acquired by the temperature monitoring sensor is sent to the controller, and the temperature monitoring sensor continuously acquires the on-site temperature value; returning to step S13.
4. The method of operation of a personnel intensive care complex fire safety evaluation system as claimed in claim 2, wherein in step S1 the smoke monitoring sensor comprises the steps of:
s11, initializing a smoke concentration monitoring sensor;
s12, after the initialization of the smoke concentration monitoring sensor is completed, the controller writes a smoke concentration threshold value of the preset smoke concentration monitoring sensor into the smoke concentration monitoring sensor; controlling a smoke concentration monitoring sensor to collect a site smoke concentration value;
s13, comparing whether the smoke concentration value acquired by the smoke concentration monitoring sensor is smaller than or equal to a preset smoke concentration threshold value of the smoke concentration monitoring sensor:
if the smoke concentration value acquired by the smoke concentration monitoring sensor is smaller than or equal to the smoke concentration threshold value of the preset smoke concentration monitoring sensor, discarding the smoke concentration value acquired by the smoke concentration monitoring sensor, and continuously acquiring the on-site smoke concentration value by the smoke concentration monitoring sensor; returning to the step S13;
if the smoke concentration value acquired by the smoke concentration monitoring sensor is larger than the smoke concentration threshold of the preset smoke concentration monitoring sensor, the smoke concentration value acquired by the smoke concentration monitoring sensor is sent to the controller, and the smoke concentration monitoring sensor continuously acquires the on-site smoke concentration value; returning to step S23.
5. The method of operating a personnel intensive care site complex fire safety evaluation system as claimed in claim 2, comprising the steps of, in step S2:
s21, a first threshold value for alarming the temperature of a preset temperature monitoring sensor is pre-stored in the controller, and a first threshold value for alarming the smoke concentration of the preset smoke concentration monitoring sensor is pre-stored in the controller;
s22, the controller judges whether the temperature value sent to the controller by the temperature monitoring sensor is greater than or equal to a preset temperature monitoring sensor temperature alarm first threshold value or/and whether the smoke concentration value sent to the controller by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm first threshold value;
if the temperature value sent to the controller by the temperature monitoring sensor is greater than or equal to a preset temperature monitoring sensor temperature alarm first threshold value, and the smoke concentration value sent to the controller by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm first threshold value; the controller sends an alarm signal to the first alarm, and the sending frequency of the first alarm is f 1 Is a warning signal of (a);
otherwise, the controller does not send an alarm signal to the first alarm.
6. The method of operating a personnel intensive care site complex fire safety evaluation system as claimed in claim 2, comprising the steps of, in step S2:
s21, a second threshold value for alarming the temperature of the preset temperature monitoring sensor is pre-stored in the controller, and a second threshold value for alarming the smoke concentration of the preset smoke concentration monitoring sensor is pre-stored in the controller;
s22, the controller judges whether the temperature value sent to the controller by the temperature monitoring sensor is greater than or equal to a preset temperature monitoring sensor temperature alarm second threshold value or/and whether the smoke concentration value sent to the controller by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm second threshold value;
if the temperature value sent to the controller by the temperature monitoring sensor is greater than or equal to a preset temperature monitoring sensor temperature alarm second threshold value, and the smoke concentration value sent to the controller by the smoke monitoring sensor is greater than or equal to a preset smoke concentration monitoring sensor smoke concentration alarm second threshold value; the controller sends an alarm signal to the second alarm, and the sending frequency of the second alarm is f 2 Is a warning signal of (a);
otherwise, the controller does not send an alarm signal to the second alarm.
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