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TB02 jump temperature protection switch small knowledge

TB02 jump temperature protection switch small knowledge

1. TB02 sudden jump temperature protection switch is a bimetallic temperature protection switch and a new type of temperature protection switch. It is used in the fields of industrial circuits, motors and household appliances, especially in small household appliances such as microwave ovens, induction cookers, dishwashers, electronic disinfection cabinets, electric hot water bottles, drinking fountains, soybean milk makers, cooling and heating air conditioning fans, food processors, warm water bags, fast heating, foot baths, coffee pots, electric ovens and other small appliances. 2. TB02 sudden jump type temperature protection switch is divided into open type and sealed type, in which the sealed type thermostat is divided into automatic reset type and manual reset type. The types of various sudden jump temperature protection switches are collectively referred to as KSD, and the temperatures are graded fixed values and cannot be adjusted. The working principle of the automatic reset sudden jump temperature protection switch is to make the bimetallic sheet into a disc-shaped element, which is heated to generate displacement energy accumulation. Once the resistance reverse sudden jump is overcome, the push rod is pushed to make the contact quickly break and automatically break the circuit; When the temperature drops, the bimetallic sheet suddenly jumps back to its original state, closing the contact and automatically connecting the circuit, so as to achieve the purpose of temperature control 3. automatic reset sudden jump temperature protection switch as a variety of electric appliances overheating protection, usually with a one-time thermal fuse (also known as overtemperature fuse) in series use, sudden jump thermostat as a level of protection. When the electric heating element is overheated or dry, the sudden jump thermostat will automatically disconnect the circuit quickly, and then automatically connect the circuit after the temperature drops. The thermal fuse automatically disconnects the circuit as a secondary protection when the sudden jump thermostat loses or fails to cause the electric heating element to overheat, effectively preventing the electric heating element from burning out and the resulting fire accident. 4. TB02 sudden manual reset type temperature protection switch increases the conical spring plate and manual reset mechanism. When the thermal deformation of the bimetallic strip reaches a certain degree, the sudden jump occurs. The conical spring strip is pushed by the bimetallic strip and reversely jumps. The contact is quickly broken by the porcelain rod driving contact to automatically disconnect the circuit. When the temperature drops, the bimetallic strip returns to its original state. However, because the conical spring strip has no automatic reset ability, it cannot rebound and reset. The contact still does not move. The manual reset button must be pressed to reset the conical spring strip with external force, the contacts are then closed.

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Yangzhou Baozhu Electric Appliance Co., Ltd

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