With the development of my country's national economy, the quality of people's life has been greatly improved. However, the improvement in people's living environment and living conditions is relatively lagging, and it is concentrated in the community to build comparison, lacks unified planning and management, especially some small and medium-sized cities, "three in one", "more one" places widely existed. A large number of private individuals and industrial and commercial enterprises entered the community, entered the residents, enabling a large number of "three-in-one" places integrating production, storage, and living in the community. These places not only have more dangerous dangers, and they are very hidden. The fire safety of the community has caused great threats due to the restriction of community infrastructure, and the fire hazards are serious, and the rectification is difficult. In recent years, urban community fires, residents' live fires and casualties have increased significantly, and the fire situation is very serious, and there is a tendency to rise year by year, so the community fire protection work in these cities has been imminent.
LORA is a low-power distance wireless communication technology using spread spectrum modulation mechanisms, which combines digital spread spectrum, digital signal processing, and forward error correction coding techniques. It uses linear frequency frequency spreading modulation techniques, which maintains the same low power consumption like FSK (frequency shift key) modulation, and significantly increases communication distance while improving network efficiency and eliminating interference, that is, different spread spectrum. The terminal of the sequence does not interfere with each other even if the same frequency is used. Lorawan (low-power WAN) with LORA technology truly realizes low-power, mobile, standardized, simple, secure IoT.
Scene application map
Exhibition board photo
Solution block diagram
Core technology advantage
1. Perform remote monitoring and intelligent management for each smoke alarm through LORA as a data transmission pathway
2. Provide remote control, remote monitoring, real-time automatic detection management, etc. for smart communities
3. You can always understand the function of running parameters and timely discover faults and fire alarms.
Program specifications
★ Wireless Smoke Alarm
The fumes are detected by infrared scattering principles. When the smoke reaches a predetermined threshold, the alarm data is sent to the gateway, and the alarm prompt will be issued.
★ LORA gateway
Provide LoraWan Services - Communication data for receiving front-end devices, relay data transfer between wireless smoke alarms and cloud platforms. With the cloud platform, you can connect through Ethernet, GPRS, 3 / 4G.
★ Cloud platform
Collect data information transmitted through the gateway. And transfer data information to the background application software. The cloud platform also provides historical event data records, data addresses, packet error, data backup storage services.
★ Alarm Center Platform
Automatically record basic information such as alarm time, alarm unit information, address, contact, etc., will be processed in the future.
★ App mobile client
Receive information of the cloud platform push through the Internet, realize human-computer interaction and management of front-end equipment.
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