Thermal - Thermoelectric, Peltier Modules are thermal transfer or control devices using the Peltier effect. Thermoelectric modules feature both cooling and warming effects and can alter the surface temperature and keep it at a specified range by passing an electric current through them. When an electric current crosses the junction of two ceramic substrates, heat is generated on one side of the junction and absorbed on the other. The heat sink is recommended on the hot side of the module.
How Do Thermal - Thermoelectric, Peltier Modules Use the Seebeck Effect?
In Peltier modules, the Seebeck effect uses a temperature difference between the two sides of the Peltier module, causing current to flow. They are used as thermoelectric generators, capable of generating energy, and working when two wires of dissimilar metals are joined at both ends to form a loop, which creates an electrical circuit when the two junctions are held at different temperatures. As electrons move to a region where energy is lower, electrons in the hotter metals move towards the cooler metal.
The Working Principle of the Peltier Effect
They work similarly to the Seebeck effect but are primarily employed for cooling and heating applications. Upon powering the module, the evolved electrons in one semiconductor element are absorbed by the other. This results in absorbing and radiating heat from each side of the module, so depending on the current direction, each side can be switched. These are Known for their heating and cooling effects, they are also regarded for their reversing capabilities.
Key Benefits and Specifications of Thermal - Thermoelectric, Peltier Modules
Some of the significant benefits and features of these devices include:
- Spot cooling
- Convert temperature difference into electrical energy
- High precision temperature control
- Noiseless, Compact, Lightweight, Vibration-free
- Cooling or heat radiation reversal capabilities
- Extremely long life
- Highly durable and flexible
- Feature easy installation and maintenance
- Safe and convenient
Applications of Thermal - Thermoelectric, Peltier Modules
These modules have a wide range of applications in different fields, such as:
- Medical/Science
- Mobility
- Consumer Appliances (AC Units, Portable Coolers)
- IoT (Telecommunications)
- Ecology/Energy
- Semiconductors
- Military
- Engineering Projects
