DC coils work by using direct current electricity to create a magnetic field that actuates a mechanical component. Specifically, when energized, the magnetic field pulls an armature to open a valve port.
Here's a breakdown of the working principle:
- Energizing the Coil: Direct current (DC) flows through the coil of wire.
- Creating a Magnetic Field: The flow of DC electricity through the coil generates a magnetic field around the coil.
- Armature Attraction: This magnetic field exerts a force on a nearby armature (a movable component, usually made of a ferrous material).
- Mechanical Action: The magnetic force pulls the armature, causing it to move. This movement can then be used to perform mechanical work, such as opening a valve port, as described in the reference: "When the coil gets energized, it creates a magnetic force that pulls the armature to open the valve port." (09-Sept-2021).
In essence, DC coils convert electrical energy into mechanical energy using electromagnetism.