The utility model provides a water flow switch for electric water heater, including a water cavity and a sealing pad, the water cavity consists of a water inlet and the water outlet is connected with the seal cavity; the water cavity is provided with a magnetic device, the device includes a magnet magnet; the magnet, the device also comprises the the package shell, the water cavity wall is provided with a magnetic sensor can form a magnetic field in the water cavity, the magnetic sensor is attached when the magnet device reaches the magnetic field signal to control the water heater heating tube heating of the electronic circuit. The water heater switch of the utility model has the advantages of easy production and high safety performance.
【技术实现步骤摘要】
【技术保护点】
一种电热水器水流开关，包括通水腔体及密封垫，所述通水腔体包括出水口及进水口，所述密封垫与出水口相连接；所述通水腔体的腔内设有磁棒装置，所述磁棒装置包括磁棒；其特征在于：所述磁棒装置还包括封装磁棒所用的外壳，所述通水腔体外壁上设有可在通水腔体形成磁场的磁敏传感器，所述磁敏传感器附设有当磁棒装置到达磁场区时发出信号来控制热水器发热管发热的电子电路。
【技术特征摘要】
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