How to collect data if there is no signal in the tunnel Sensor Collector LoRa Gateway.
In the absence of a signal in the tunnel, the following methods can be used to monitor and collect data:
Pre-installed sensors or data acquisition devices: Sensors or data acquisition devices can be pre-installed in the tunnel, which can continuously monitor and collect data such as temperature, humidity, gas concentration, vibration, etc. in the tunnel, and then store these data inside the equipment, and then upload the data to the cloud for processing and analysis when there is a signal in the tunnel.
Use other communication technologies for data monitoring and collection. One option is to use Internet of Things (IoT) devices and gateways to monitor data inside the tunnel. These devices can use low-power wide-area network (LPWAN) technologies, such as LoRaWAN or Sigfox, to connect to the cloud via a gateway and fetch data from the console. These devices can detect temperature, humidity, gas concentration, smoke, etc. inside the tunnel and transmit data over a wireless network. These devices can be placed at key locations at the tunnel entrance or within the tunnel to monitor the situation throughout the tunnel. The gateway can be installed at the tunnel entrance or in a nearby area to collect data sent by the device. Data can be stored in the cloud and analyzed via remote access.
Use local storage devices: You can use local storage devices, such as SD cards and USB flash drives, to collect data in the tunnel, store the data inside the device, and then upload the data to the cloud for analysis when there is a signal in the tunnel.
Manual data collection: In the absence of other technical means, manual data collection methods can be used. For example, inspectors can enter the tunnel on a regular basis to conduct inspections, record the conditions and data in the tunnel, and manually enter this data into the data processing system.
Regardless of the method employed, it is important to ensure the accuracy and completeness of the data collected for scientific analysis and processing.
The DLS11 is a low-power data processor with a built-in battery and LoRa, LTE (4G) wireless developed for the VSXXX series hair collectors. The "real-time" LoRa transceiver collects and stores the data sent by other LoRa devices, and periodically starts to repackage the stored data into standard data packets and send them to the remote server through the LTE network, and the data is sent by SMS, TCP, email, FTP, etc. DLS11 realizes the field networking of VSXXX devices, and can realize the remote data transmission function of multiple VSXXX devices with a single SIM card.