CN104635819B - Warning system and its method are inquired about in the safety monitoring of public place environment air quality - Google Patents

Abstract

The invention discloses a public place environment air quality safety monitoring query alarm system and a method thereof: it includes a plurality of detection subsystems, a transfer base station, the Internet, and a control center; Set up a control center connection within the fire management department. Since the present invention arranges the detection subsystem in a specific area, the combustible gas sensor, humidity temperature sensor, dust particle concentration sensor, and volume decibel monitoring sensor in the detection subsystem can monitor the flammable and explosive gases such as liquefied natural gas and alcohol lamps in the air in real time. The air-fuel ratio and ambient air quality, and upload the on-site ambient air quality parameters to the Internet and send them to the relevant fire department. You can query the real-time air quality report and historical record report of the corresponding place through the mobile APP software, and timely monitor the alarm to ensure the safety of the crowd environment. It is safe and has the advantages of timely information feedback.

Description

Ambient air quality safety monitoring query alarm system and method in public places

technical field

The invention relates to a safety monitoring system, in particular to a public place ambient air quality safety monitoring inquiry alarm system and a method thereof.

Background technique

The current public environmental safety issues have gradually attracted people's attention, and how to effectively avoid harmful emergencies is very important. Most of the existing air quality monitoring systems are based solely on the air quality reports monitored by the local Meteorological Bureau, and cannot distinguish the quality of environmental control in specific areas. At the same time, the monitored data are only about the temperature, humidity, PM2. It is worth measuring and reporting, and it cannot monitor the air quality and safety of large shopping malls, waiting rooms and other crowded areas in real time. The existing densely populated areas are only smoke alarm systems, which cannot monitor dangerous flammable and explosive products such as liquefied natural gas volatilized in the air, and cannot measure and alarm in time. In addition, for some large-scale gas pipeline layout areas in some cities, there is a lack of relevant air quality monitoring devices in the living areas where the pipeline passes, and the alarm cannot be notified in time to evacuate the masses.

Contents of the invention

An object of the present invention is to provide a public place ambient air quality safety monitoring inquiry alarm system with timely information feedback.

Another object of the present invention is to provide a method for inquiring and alerting environmental air quality safety monitoring in public places with reasonable operation.

For realizing the above object, technical solution of the present invention is:

The present invention is a monitoring query alarm system for ambient air quality safety in public places, which includes multiple detection subsystems, a transfer base station, the Internet, and a control center; Control center connection within the department;

The detection subsystem includes a combustible gas sensor, a humidity temperature sensor, a dust particle concentration sensor, a volume decibel monitoring sensor, a microcontroller, a manual adjustment device, a signal transmitter, an LED display, a humidity temperature adjustment device, a ventilation adjustment device, broadcasting device; the combustible gas sensor, humidity temperature sensor, dust particle concentration sensor, and volume decibel monitoring sensor are connected with the input end of the micro-controller and the input end of the manual adjustment device through the feeder line, and the output end of the micro-controller is connected with the input end of the manual adjustment device through the feeder line The signal transmitter is connected, the signal transmitter is connected with the transfer base station, and the transfer base station is connected with the central processor of the control center through the Internet; the output end of the micro-controller and the output end of the manual adjustment device are respectively connected to the LED display screen, Humidity temperature adjustment device, ventilation adjustment device, broadcasting device connection.

The present invention also includes a mobile phone, and the mobile phone is connected to the transfer base station through the APP software on the mobile phone and the Internet to obtain the air quality parameter signal.

A public place ambient air quality safety monitoring inquiry alarm method, comprising:

(1) Arrange detection subsystems including combustible gas sensors, humidity and temperature sensors, dust particle concentration sensors, and volume decibel monitoring sensors in densely populated areas to monitor the quality of ambient air in real time;

(2) Store the control safety standard parameters stipulated by the state in the air quality database of the control center, compare the signal measured by the sensor with the standard parameters in the air quality database, and analyze the safety and comfort of the ambient air;

(3) Display ambient air related signal parameters and standard comfort air parameter indicators obtained in real time through the LED display;

(4) When the ambient air parameters reach a certain dangerous value, the manual adjustment device can actively adjust the humidity temperature adjustment device and the ventilation adjustment device according to the displayed ambient air parameters;

(5) When the concentration parameters of liquefied natural gas and other flammable and explosive gases exceed the standard value of human safety requirements, an early warning signal will be sent out through the broadcast device and LED display to evacuate the crowd in the environment.

After adopting the above scheme, the present invention has the following advantages:

1. The present invention arranges the detection subsystem at the entrance and the surrounding environment in the environment where the flow of people is large and densely populated (such as large shopping malls, supermarkets, waiting halls) and the intersection areas of urban large-scale liquefied natural gas pipelines and mass living areas. The detection subsystem The combustible gas sensor, humidity temperature sensor, dust particle concentration sensor, volume decibel monitoring sensor in the real-time monitor the air-fuel ratio of liquefied natural gas, alcohol lamp and other flammable and explosive gases in the air and the quality of the ambient air, and the ambient air quality parameters of the site Uploaded to the Internet and transmitted to the relevant fire department, you can query the real-time air quality report and historical record report of the corresponding place through the mobile phone APP software, monitor the alarm in time to ensure the safety of the crowd environment, and have the advantage of timely information feedback.

2. The present invention stores the control safety standard parameters stipulated by the state in the database, compares the signal measured by the sensor with the standard parameters, analyzes the safety and comfort of the ambient air, controls the circuit through the single-chip microcomputer program, and displays the environment in real time through the LED display Air related signal parameters and standard comfort air parameter indicators. Through the single-chip program control circuit, intelligently compare and analyze the ambient air-related parameter signals. When the ambient air-related parameters exceed and seriously affect the comfort of the public, when the ambient air parameters reach a certain dangerous value, start corresponding countermeasures, such as starting the ventilation system, improving Air quality in the environment, improving comfort and safety. It is equipped with the corresponding manual operation control device, which can actively adjust the ventilation system and temperature and humidity adjustment system according to the displayed ambient air parameters. The system operates scientifically and reasonably.

3. The present invention is equipped with an alarm device, and when the corresponding liquefied natural gas and other flammable and explosive gas concentration parameters exceed the standard value of human safety requirements, the crowd in the environment will be evacuated through voice broadcast and LED flashing.

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

detailed description

1. Device

As shown in FIG. 1 , the present invention is a public place environmental air quality safety monitoring query alarm system, including a plurality of detection subsystems 1 , a transfer base station 2 , the Internet 3 , a control center 4 , and a mobile phone 5 .

The plurality of detection subsystems 1 are respectively connected to the control center 4 arranged in the fire management department through the transfer base station 2 and the Internet 3, and the relevant data collected by the detection subsystem 1 are sent to the control center 4, and the control center 4 sends all The obtained relevant data is compared and analyzed with the air quality database 6 in the control center 4 . The detection subsystem 1 is powered by a battery and adopts different voltage outputs to meet the input voltage and current requirements of different sensors.

The detection subsystem 1 includes a combustible gas sensor 11, a humidity temperature sensor 12, a dust particle concentration sensor 13, a volume decibel monitoring sensor 14, a microcontroller 15, a manual adjustment device 16, a signal transmitter 17, an LED display 18, Humidity temperature adjustment device 19, ventilation adjustment device 20, broadcasting device 21. Described combustible gas sensor 11, humidity temperature sensor 12, dust particle concentration sensor 13, volume decibel monitoring sensor 14 are connected with the input end of micro-controller 15 and the input end of manual adjustment device 16 by feeder line, the output of micro-controller 15 The terminal is connected to the signal transmitter 17 through a feeder, the signal transmitter 17 is connected to the transit base station 2, and the transit base station 2 is connected to the central processor of the control center 4 through the Internet 3. The output end of described micro-controller 15 and the output end of manual adjusting device 16 are connected with LED display screen 18, humidity temperature adjusting device 19, ventilation adjusting device 20, broadcasting device 21 respectively by feeder, control the start-up and shut down of above-mentioned devices .

The mobile phone 5 is connected to the transfer base station 2 through the APP software on it and the Internet 3 to obtain air quality parameter signals.

2. Method

The present invention is a kind of public place environment air quality safety monitoring query alarm method, comprising:

(1) The detection subsystem 1 including the combustible gas sensor 11, the humidity temperature sensor 12, the dust particle concentration sensor 13, and the volume decibel monitoring sensor 14 is respectively arranged in densely populated areas to monitor the quality of the ambient air in real time.

(2) Store the control safety standard parameters stipulated by the state in the air quality database 6 of the control center 4, compare the signal measured by the sensor with the standard parameters in the air quality database 6, and analyze the safety and comfort of the ambient air. Through the programming of the database, the air quality parameters of different places can be recorded and counted. At the same time, the signal can be transmitted to the fire department.

(3) Display ambient air-related signal parameters and standard comfort air parameter indicators obtained in real time through the LED display 18; when a certain indicator is higher than or equal to the air quality requirement indicator, the LED display 18 will display green; When the quality is required and in the safe range, the LED display 18 displays yellow; when it is lower than the safety index requirements, which seriously affects the comfort of the public and may have adverse effects on health, the LED display 18 displays a flashing red warning light.

(4) When the ambient air parameters reach a certain dangerous value, the manual adjustment device 16 can actively adjust the humidity temperature adjustment device 19 and the ventilation adjustment device 20 according to the displayed ambient air parameters.

(5) When the liquefied natural gas and other flammable and explosive gas concentration parameters exceed the standard value required for human safety, an early warning signal is sent out through the broadcasting device 21 and the LED display 18 flashing to evacuate the crowd in the environment.

The above is only a preferred embodiment of the present invention, so it cannot limit the scope of the present invention, that is, the equivalent changes and modifications made according to the patent scope of the present invention and the content of the specification should still belong to the patent of the present invention within the scope covered.

Claims (3)

1. a kind of public place environment air quality safety monitoring inquiry warning system, it is characterised in that：Including multiple detection System, transfer base station, internet, control centre；Described multiple detection subsystems by transfer base station, internet and set respectively Put the control centre's connection in administration of the prevention and control department；

Described detection subsystem includes combustible gas sensor, Moisture/temperaturesensor sensor, dust particle concentration sensor, volume Decibel monitoring sensor, microcontroller, manual adjustment device, sender unit, LED display, humidity temperature adjusting means, Draft regulator, broadcaster；Described combustible gas sensor, Moisture/temperaturesensor sensor, dust particle concentration sensor, Volume decibel monitoring sensor is connected by feeder line with the input of microcontroller and the input of manual adjustment device, miniature The output end of controller is connected by feeder line with sender unit, and sender unit is connected with transfer base station, and transfer base station passes through Internet is connected with the center processor of control centre；The control of national regulation is stored in the air quality data storehouse of control centre Safety standard parameter processed, the signal that sensor is measured is contrasted with the canonical parameter in air quality data storehouse, and analysis environments are empty The safety and comfort level of gas；Write by database program, the air quality parameters of record statistics different places, meanwhile, will believe Number fire department is transferred to, fire department is inquired about in time, record understands the air quality in each one traffic-intensive region；Described The output end of microcontroller and the output end of manual adjustment device are adjusted with LED display, humidity temperature respectively by feeder line Device, draft regulator, broadcaster connection；The display environment air coherent signal obtained in real time by LED display is joined Number and standard comfort level air parameter index；When a certain index is greater than or equal to air quality requirements index, LED display shows Show green；When less than air quality requirements and in safe range, LED display display yellow；Wanted when less than safety index Ask, LED display is shown as flash red warning lamp；When surrounding air parameter reaches dangerous values, manual adjustment device according to The surrounding air parameter of display, actively adjusts humidity temperature adjusting means and draft regulator；When flammable explosive gas concentration Parameter exceedes human-body safety requirement standard value, is flashed by broadcaster and LED display and sends early warning signal, in evacuation environment Crowd.

2. public place environment air quality safety monitoring inquiry warning system according to claim 1, it is characterised in that： Also include mobile phone, described mobile phone with transfer base station is connected by APP softwares thereon and by internet, obtains air quality Parameter signal.

3. alarming method is inquired about in the public place environment air quality safety monitoring of a kind of system according to claim 1, its It is characterised by：Including：

（1）It is respectively arranged that to include combustible gas sensor, Moisture/temperaturesensor sensor, dust particle dense in flow of the people City Regions The detection subsystem of degree sensor, volume decibel monitoring sensor, the quality of monitor in real time surrounding air；

（2）The control safety standard parameter of national regulation is stored in the air quality data storehouse of control centre, sensor is surveyed The signal of amount is contrasted with the canonical parameter in air quality data storehouse, the safety and comfort level of analysis environments air；

（3）The display environment air associated signal parameter and standard comfort level air parameter obtained in real time by LED display are referred to Mark；

（4）When surrounding air parameter reaches certain dangerous values, manual adjustment device can be main according to the surrounding air parameter of display Dynamic regulation humidity temperature adjusting means and draft regulator；

（5）When the flammable explosive gas such as liquefied natural gas concentration parameter exceedes human-body safety requirement standard value, by broadcaster Early warning signal is sent with LED display flicker, crowd in environment is evacuated.