Electrodynamic Energy Harvesting for the IoT

Written by: Tom Austin-Morgan | Published:

Jennova has introduced an Electrodynamic Energy Harvesting (EH) technology designed to simplify the capture and amplify the energy produced from the rotation or spin of devices and to power smart sensors and IoT applications.

“Jennova has worked to create a technology that is virtually error-free and harvest the energy that is typically lost in mechanical motion,” said Terry Pennisi, CEO and founder of Jennova. “Our design can reach a wide range of outputs both in voltage and current to satisfy the energy needs of this market. Recent tests have shown the ability to power four wireless sensors for an indefinite amount of time with just one of our energy harvesting solutions.

Jennova’s Rotation Energy Harvester uses magnetic induction to gather energy from rotation or the motion of devices. Its circuit board can be paralleled and the number of magnets increased to raise power output. The device can also be integrated into new and existing infrastructures by attaching magnets to the rotational source and then affixing the energy harvesting board to the desired location. Once installed, no further maintenance or calibration is required.

Pennisi continued: “There is no defined limit to how long our technology can produce energy.As long as there is motion, it can create power.In addition, since it’s a simple design with no moving parts, wear and tear is not an issue.”

Jennova’s Electrodynamic EH technology is claimed to generate 16mW and as much as 64mW if several systems are linked together. This translates into more powerful transmitters distributing data more often.

“The unreliable consistency of power has always been a major concern for most energy harvesting systems,” said Christian Pennisi, the company’s director of operations. “Our Rotational Energy Harvesting technology eliminates this challenge by supplying a constant stream of power that produces higher sensor iteration rates, while also enhancing the accuracy of the sensor readings.”

In addition to its advances in energy harvesting, Jennova has developed a self-powered EH Multi-Sensor offering autonomous remote sensing capable of gathering multiple sensor inputs and sending the data package wirelessly to either the web or direct to device. It is said to be suited for hazardous or difficult to reach infrastructure and remote or mobile platforms. The unit is configured to read RPM, harmonic vibration, temperature and current information, and can be coupled with additional EH systems to provide added power or enhanced data transmission rates.

The company’s Industrial Tachometer is also designed as a permanent, self-powered solution for industrial RPM measurement. Once installed, the power required to gather and transmit data is self-generated with the RPM data sent as a standard TTL pulse.


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