Basic composition and application advantages of smart fire protection system

In recent years, the smart city construction industry has been in a stage of rapid development. As part of the intelligent construction of urban systems, smart fire protection plays an important role in ensuring the safety, convenience and management of urban fire protection. With the continuous advancement of science and technology, traditional fire fighting methods can no longer meet the diverse needs of modern development, and "technical defense" + "human defense" is the trend. Smart fire protection, protection of safety, smart fire protection system through civil air defense, physical defense, technical defense and other means, used in the monitoring of fire hazards, social unit fire safety management, fire rescue emergency and other emergency fire fighting work, is the guarantee of social fire safety.

Basic composition of smart fire protection system

1. IoT hardware terminal

1. Intelligent water immersion detector

It is used to monitor the water pressure of the fire water source and the liquid level of the high-level water tank, and realize the online monitoring of the fire water source information through NB, LORA or access to the fire host.

2. Smart smoke detector

The smoke detection alarm has a history of more than 100 years since its birth. In the smart fire protection construction plan, the photoelectric principle of smoke alarm is used, which has higher sensitivity. At the same time, with the help of Internet of Things technology, it has realized multi-level early warning response with mobile APP and monitoring center, and the response efficiency has been greatly improved.

3. Gas leak alarm

It is a detector that responds to single or multiple combustible gas concentrations. The gas solenoid valve is a safety emergency shut-off device for the gas pipeline. It can be connected to the gas leakage alarm system or to the fire and other intelligent alarm control terminal modules, etc., to realize on-site or remote automatic/manual emergency cut-off of the gas source. When a harmful strong vibration occurs, the valve will automatically close. Intelligent video surveillance system

4. Smart electricity detector

Real-time monitoring of the temperature, current, voltage, residual current, overload, overvoltage and other states of the electrical circuit and give reminders and warnings. Discovery refers to when the detected parameters in the protected circuit exceed the alarm setting value. It can send out an alarm signal and support remote disconnection/power transmission.

5. Nine small places integrated gateway:

It is used to connect to all integrated hardware products in nine small places and transmit information with the cloud platform.

6. Independent temperature detector:

The heat generated by the fire and the detected temperature analog quantity are reported to the control panel. Due to the use of analog information, users, installers, and maintenance personnel can obtain more information than ordinary systems. Can make firefighters more accurately determine the fire location.

7. Wireless manual alarm button + wireless sound and light alarm

Installed in public areas and internal walkways, the alarm can be triggered when the wireless manual alarm button is pressed. The wireless sound and light alarm adopts the integrated design of the host and the sound and light siren. When any detector in the system detects an alarm, the host will sound the siren and flash the indicator light.

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2. Smart Fire Fighting Subsystem

The smart fire fighting system can link the automatic smoke exhaust function with the alarm information such as smoke, temperature, hand report, automatic sprinkler function, and video linkage function for key parts (daily video can be turned off, in case of fire, the video will automatically open ). Multiple subsystems realize data collection and upload, comprehensive analysis and application functions.

1. Smoke monitoring, early warning and alarm system

Realize real-time monitoring of smoke, harmful gases, and gas fire extinguishing information, real-time detection of smoke in seconds, and once it is found that the monitoring drama exceeds the risk threshold, APP, SMS alarms, and alarms will all go to the battle, through the device's tag and geographic location positioning, quickly Inform the owner and the property fire control unit of the location of the hidden fire.

2. Smart electricity safety monitoring system

For the smart power consumption part, real-time monitoring of temperature, voltage, current, leakage and other parameters in the process of power consumption, abnormal warning, and big data analysis function to realize comprehensive analysis and trend prediction.

3. Fire fighting water system

Real-time monitoring of the pressure, liquid level, leakage of the fire fighting water pipe network, and opening of the cover. When the fire fighting water pressure is not enough and the pipe network leaks, the system can also issue real-time alarms, allowing relevant personnel to repair and maintain in time to ensure fire protection Safety.

4. Power subsystem of fire fighting equipment

This subsystem can monitor the power working status of various components of the fire protection system (such as fire alarm host, floor display, water pump, sprinkler pump, elevator, etc.) in real time to ensure normal power supply for fire fighting equipment

5. Fire door system

This subsystem monitors the opening and closing of fire passages, safety exits, life passage fire doors and stacking conditions in real time through the association with access control alarms and video recognition, and realizes functions such as opening and closing control in emergency situations.

6. Video surveillance system

After the data center receives the alarm information of each subsystem of the sensing end, it can call out the surveillance camera image associated with the alarm location and view the video of the alarm scene to assist in the fire confirmation.

7. Fire fighting equipment subsystem

This subsystem can bring all the fire fighting equipment and assets of each building and project node into management, and mark some fire hydrants, fire extinguishers, sprinklers, and fire brigade addresses. Daily inspections and maintenance need to be included in the plan. In this case, it will coordinate with the GIS scheduling subsystem for scheduling.

8. Emergency lighting and evacuation subsystem

It can be connected to emergency lighting and evacuation, early warning of failure points, and escape routes can be viewed in the system.

Advantages of smart fire protection system

1. Civil defense + physical defense + technical defense

Realize 24-hour uninterrupted monitoring with remote sensors, automatic alarms when exceeding limits, visualized terminal and system platform multi-platform linkage, and improve response efficiency;

2. Intelligent inspections effectively cover the supervision area

Fire equipment and facilities maintenance and repair system dispatch orders, status tracking, result verification, traces of personnel workflow, forming a closed loop of work to improve work efficiency.

3. Data fusion analysis

Historical data storage is convenient for modeling and design, fixed-point data is graphically displayed, relevant plans are made through trend charts, information is synchronized, and the fire department and the executive department of enterprises and institutions can share data, which is convenient for unified decision management.

Social benefits brought by smart fire protection applications

1. Improve work efficiency

Realize unattended monitoring of fire safety related monitoring data. When electrical safety equipment, smoke detectors, etc. detect alarm failures, they will automatically remind users through mobile phone text messages, voice and APP pushes, and subsequent processing can continue to follow up and promote Information circulation and resource sharing have been improved, work efficiency has been improved, and transparent management has been realized.

2. Realize rapid response to hidden danger monitoring

Perform big data analysis on the historical data generated by the equipment in order to find problems early and eliminate hidden dangers. The system monitors, alarms, and records faults such as over-residual current, short-circuit, over-temperature, arc fault, insufficient fire water pressure, fire-fighting power supply problems, and flue gas induction. The system's response time is less than 5s. Once a potential fault occurs, the cloud The background and the administrator can immediately receive SMS and APP push notifications, and it is convenient to remotely open and reset the electrical circuit in an emergency.

3. Hidden danger investigation and management

When a fire protection problem occurs, after receiving SMS and APP push notifications, the work order can be dispatched to the corresponding engineer in the system. After the work order is processed, the system can keep the hidden danger record and work order record, query and data analysis.

4. Emergency rescue information support

Relying on the intelligent firefighting big data information platform, the firefighting Internet of Things system with resource sharing and intercommunication, intelligent early warning and judgment, realizes the dynamic and precise prevention and control of social fires. Realize cross-department, cross-regional, remote, visual, flat, and precise dispatching and command.

Conclusion: Through sensors, infrared sensor analysis and communication between systems, it saves a lot of manpower, material resources and financial resources, reduces the cost of fire prevention, builds an intelligent fire protection system, and provides accurate fire protection big data analysis and analysis for all levels of government departments and industry authorities. Decision-making service, providing one-stop service for fire protection maintenance operations for fire protection maintenance companies, and providing management services for their own fire protection facilities for networked units. Realize the interconnection of all things, prevent early, and improve the efficiency of fire rescue. Provide safety guarantee for the people's good life.