Gas ovens typically use electric igniters, also known as glow plugs or ignitor electrodes, to ignite the gas and create the necessary heat for cooking. This design is commonly found in modern gas ovens and offers several advantages over older pilot light systems.
Here's how gas ovens with electric igniters work:
Ignition process: When you turn on the oven, an electric current is sent to the igniter from a control module or electronic ignition system. The igniter is usually located near the burner or gas source.
Igniter activation: The electric current heats up the igniter, causing it to glow red-hot. This glowing igniter serves as the source of ignition for the gas.
Gas valve opens: As the igniter reaches the appropriate temperature, a safety valve or solenoid valve opens, allowing the flow of gas into the burner area.
Gas ignition: Once the gas enters the burner area, it is ignited by the glowing hot igniter. The gas ignites, producing a flame that provides the heat for cooking.
Flame detection and regulation: Once the gas ignites, sensors or thermocouples in the oven monitor the presence of the flame. If the flame is extinguished for any reason (e.g., accidental blowout or safety concerns), the gas supply is automatically shut off to prevent gas leaks.
The use of electric igniters in gas ovens offers advantages over traditional pilot light systems. Electric igniters are more energy-efficient since they only consume power when the oven is actively igniting or heating. In contrast, pilot lights continuously burn gas to maintain a small flame, which consumes more energy.
Electric igniters are also safer because they don't rely on a constantly burning flame. If the flame is extinguished, the gas supply is automatically shut off, reducing the risk of gas leaks and potential hazards.
Overall, the combination of gas ovens with electric igniters provides efficient, reliable, and safer cooking options for households.