CaMéX-IA: electrical energy measurement and radio transmission DASH7 – TOOLinux – TooLinux

Within the framework of the CaMéX-IA project, among other things, the “digitization” of machines and locations is carried out. Among the project partners, 10 high schools and 15 educational institutions have committed themselves to selecting at least 2 existing educational institutions, equipping them with sensors and cameras and transmitting the data to the Internet.

Objective: To enable distance learning and to provide datasets that can be used by artificial intelligence algorithms (automatic learning) in the educational context.

A first device begins to transmit data: a table

general low voltage (TGBT) equipped with an energy measurement system

Power, a wireless transmission and a gateway to broadcast

data to an IoT platform.

chaine de mesure liquibit a91dc

How it works

The electrical energy measurement system consists of loops of

Rogowski measuring the current in each phase. They are connected to an energy meter that samples and digitizes the readings

and calculates the energy consumed. The result is transmitted via a

Modbus bus to a card equipped with a DASH7 radio chip.

This sends to a DASH7/Ethernet gateway, which transmits the data to an IoT platform using the MQTT protocol. Data is sent in JSON format. The gateway consists of a DASH7 receiver (IOWAY) and a Raspberry Pi for sending via Ethernet or WLAN

MQTT.

The advantage of this system is that the radio gateway is ready and able

Receive the data sent out by the hundreds of sensors of all types

which will measure everyone’s power consumption in a second phase

electrical appliances in the building.

Finally, around fifty devices are to communicate, all technical and educational documentation and all measurement data under free, open source or published

Open data.

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Links and Resources

- The CaMéX-IA project

- The electrical energy measurement project

- LiQuiBit documentation

Thanks to David Vantyghem