Internet of Things gateway of switch board room

Abstract

The invention discloses an Internet of Things gateway of a switch board room. The Internet of Things gateway comprises a data collection unit and a data communication unit, the data collection unit comprises a main control module, a PLC communication module and a Bluetooth 5 module; the data communication unit comprises a PLC concentrator, an Ethernet module and a 4G module; the main control module is in signal connection with a smoke sensor, a water sensor, a temperature and humidity sensor, a temperature controller and a metering electricity meter through the Bluetooth 5 module; and the maincontrol module is in signal connection with the PLC concentrator through a PLC communication module, and the PLC concentrator is in signal connection with the Ethernet module and the 4G module. In the scheme, by improving the data collection mode of the sensor and improving the gateway uploading mode, the site construction difficulty is greatly reduced, and the success rate of data collection andthe success rate of data uploading in harsh environments are improved.

Description

Technical field [0001] The invention relates to the technical field of the Internet of Things, in particular to an Internet of Things gateway for a power distribution room. Background technique [0002] The power distribution room is a key link to ensure the reliability of users' electricity. With the development of the Internet of Things technology, the online monitoring and control of the power distribution equipment in the power distribution room and its operating environment are more and more widely used. Due to the relatively scattered online monitoring points and large electromagnetic environment interference, how to achieve low-cost access to various online monitoring sensors is an urgent problem to be solved. [0003] Currently, IoT gateways in power distribution rooms generally use the following methods to access online monitoring sensors: [0004] (1) The 485 bus method, that is, the sensor data is transmitted to the gateway through the 485 cable. This method is stable an...

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Problems solved by technology

The transmission distance of these two methods is relatively long, but the working frequency band is in the 315M and 433M frequency bands, which are easily interfered and consume a lot of power, so they are rarely used in industrial applications

[0006] (3) The power line carrier (PLC) method, that is, the sensor data is accessed through the power line carrier. This method can solve the problem of free wiring and signal penetration through the wall, but the PLC cross-transformer communication is more complicated, and there are usually multiple transformers in the power distribution room , so it may be necessary to configure multiple PLC concentrators, increasing communication costs

[0007] In addition, due to the various environments where the power distribution room is located, such as in the basement, independent of the office area and living area, etc., it is difficult to communicate between the IoT gateway of the power distribution room and the background system. If the gateway only supports Ethernet Or 4G communication, may encounter reliable communication problems in practical applications

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