Methods and system include power harvesting with process and device monitoring. A power management system including a solar cell can be integrated with a display panel into a common housing. A capacitor and a rechargeable battery connected to the power management system can receive power from the solar cell and provide electrical power, first from the capacitor and then second from the rechargeable battery, to electronic components including the display engaged in monitoring processes and devices deployed in isolated locations. Electronics can include a microprocessor programmed to provide collected data display on the display panel and wireless transmission to a remote monitoring station. A rotatable stem operated by a step-motor and connected to the common housing can orient the integrated display and solar cell towards sunlight according to an internal time clock synchronizing movement of the display panel via a step motor and thereby maximize harvesting of electrical energy.

An embodiment of the present disclosure relates to an industrial rechargeable wireless solenoid valve system, and a technical problem to be solved is to provide an industrial rechargeable wireless solenoid valve system which is controlled by a wireless control signal and receives power supplied from a rechargeable battery. To this end, the present disclosure provides an industrial rechargeable wireless solenoid valve system comprising: a wireless communication unit for receiving a command from a factory control unit; a solenoid valve control unit which receives input of the command from the wireless communication unit to output an operation signal corresponding to the command; an output unit which receives input of the operation signal from the solenoid valve control unit to drive a solenoid valve; and a power supply unit for supplying power to the wireless communication unit, the solenoid valve control unit, and the output unit, respectively.

An embodiment of the present disclosure relates to an industrial rechargeable wireless solenoid valve system, and a technical problem to be solved is to provide an industrial rechargeable wireless solenoid valve system which is controlled by a wireless control signal and receives power supplied from a rechargeable battery. To this end, the present disclosure provides an industrial rechargeable wireless solenoid valve system comprising: a wireless communication unit for receiving a command from a factory control unit; a solenoid valve control unit which receives input of the command from the wireless communication unit to output an operation signal corresponding to the command; an output unit which receives input of the operation signal from the solenoid valve control unit to drive a solenoid valve; and a power supply unit for supplying power to the wireless communication unit, the solenoid valve control unit, and the output unit, respectively.

A mobile-charging power system including a mobile transportation unit including a housing and an axle; a battery assembly positioned within the housing; a power electronics module electrically coupled to the battery assembly; and an electro-mechanical generator electrically coupled to the power electronics module. The electro-mechanical generator is driven by the axle. The system further includes a solar power generator coupled to the housing. The solar power generator is electrically coupled to the power electronics module. The system further includes a controller electrically coupled to the battery assembly and the power electronics module; and a control panel electrically coupled to the power electronics module and the controller. The control panel includes a first electrical plug and a second electrical plug.

A mobile-charging power system including a mobile transportation unit including a housing and an axle; a battery assembly positioned within the housing; a power electronics module electrically coupled to the battery assembly; and an electro-mechanical generator electrically coupled to the power electronics module. The electro-mechanical generator is driven by the axle. The system further includes a solar power generator coupled to the housing. The solar power generator is electrically coupled to the power electronics module. The system further includes a controller electrically coupled to the battery assembly and the power electronics module; and a control panel electrically coupled to the power electronics module and the controller. The control panel includes a first electrical plug and a second electrical plug.

An mobile solar powered EV charging station consists of an inflatable solar concentrator based hybrid solar thermal and photovoltaic subsystem with thermoelectric activated thermal storage to store thermal storage and regenerate electric power; a battery bank subsystem to store the cogenerated electric energy from the hybrid solar thermal and photovoltaic subsystem; an electric driving subsystem to make the entire system mobile; and a control subsystem to coordinate all of the subsystem to work. The mobile EV charging station is not only able to generate electric power locally to charge EVs, but also able to transport power from solar powered EV changing station network and power grid to the sites where EVs are located.

A solar powered electric motorized scooter is provided for use with a battery, the solar powered electric motorized scooter comprising a base, a flexible foot pad which has a margin, the margin attached to the base, a plurality of flexible solar cells mounted on the base, an electric motor which is in electrical communication with the flexible solar cells, a front wheel, a back wheel, the wheels rotatably disposed on the base and in motive communication with the motor, a steering tube rotatably mounted to the base and attached to a bracket that retains the axle of the front wheel and a handlebar, which terminates the steering tube, wherein the flexible foot pad is configured to flatten under the pressure of a rider and to curve upward when not under pressure of the rider.

Disclosed is a power storage unit which can safely operate over a wide temperature range. The power storage unit includes: a power storage device; a heater for heating the power storage device; a temperature sensor for sensing the temperature of the power storage device; and a control circuit configured to inhibit charge of the power storage device when its temperature is lower than a first temperature or higher than a second temperature. The first temperature is exemplified by a temperature which allows the formation of a dendrite over a negative electrode of the power storage device, whereas the second temperature is exemplified by a temperature which causes decomposition of a passivating film formed over a surface of a negative electrode active material.

Disclosed is a power storage unit which can safely operate over a wide temperature range. The power storage unit includes: a power storage device; a heater for heating the power storage device; a temperature sensor for sensing the temperature of the power storage device; and a control circuit configured to inhibit charge of the power storage device when its temperature is lower than a first temperature or higher than a second temperature. The first temperature is exemplified by a temperature which allows the formation of a dendrite over a negative electrode of the power storage device, whereas the second temperature is exemplified by a temperature which causes decomposition of a passivating film formed over a surface of a negative electrode active material.

An energy storage includes a first container including an inner space, a plurality of pressure vessels for compressed air that are stacked in rows inside the inner space of the first container, a tank containing a heat transfer fluid arranged inside the inner space of the first container, a compressor adapted to compress air, and a plurality of pneumatic ducts for compressed air connected to the compressor. The plurality of pneumatic ducts includes a plurality of heat exchangers adapted to enable a heat exchange between compressed air contained in the plurality of pneumatic ducts and heat transfer fluid contained inside the tank. The plurality of pneumatic ducts is connected to the plurality of pressure vessels supplying pressure vessels with compressed air, an electric turbine connected by the plurality of pneumatic ducts with the plurality of pressure vessels supplying compressed air for rotating the electric turbine to generate electric current.