A microwave oven is an electrical device capable of rapidly heating food. It mainly generates high-frequency electromagnetic wave fields, thereby causing high-speed oscillation of molecules in the object to be heated and friction to heat each other. Therefore, users often worry about or worry about electromagnetic wave leakage and radiation when purchasing a microwave oven. However, the microwave radiation does not have the hazard such as X and gamma rays, and the microwave is produced and manufactured with strict control of the radiation. However, in order to prevent the micro-burning of the human body caused by misoperation or negligence, a micro switch is added to the oven door to protect it.
In the oven door structure of a microwave oven, there are generally three micro-switches, namely a primary, a secondary latch switch and a safety monitoring switch. Among them, the primary and secondary safety switches respectively trigger different circuit states when the furnace door is opened and closed, thereby affecting the power on and off of the induction cooker. When any of the microswitches indicate that the oven door is not properly closed or closed in real time, the microwave oven cannot be started normally to avoid microwave leakage. In this door-to-door switch, there is also a monitoring switch that is protective. Its main function is to prevent the upper and lower safety switches from being damaged and the normal short circuit. In this way, even if the door state cannot be correctly displayed due to damage or malfunction of the two door switches, there is still a safety switch for protection.
Micro switch in the oven door (white parts)
Honeywell's MICRO SWITCH standard microswitch V15 series is designed to significantly improve reliability. This series of switches is typically suitable for low-cost, cost-effective applications where the cost of replacing switches or repairing switch-related faults is very low. The V15 is designed for applications requiring greater than or equal to 100 g operating force and rated currents from 16 A to 22 A. The V15 Series switches are available in a variety of standard configurations, including selectable actuators, current ratings, operating forces and circuits, and are globally certified (ENEC, CQC, UL, and cUL).
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