The invention relates to an electric heating constant temperature foot washer, belonging to the technical field of household appliances. Its characteristics are: 555 integrated circuit pin 2 is connected with the direct-current power supply through the negative resistance integrated circuit 2, 555 feet through a series of thermal resistor, variable resistor connected to the positive terminal of the DC power supply, one end of the diode and relay in parallel with the 555 integrated circuit pin 3 connected with the other end connected with the anode of DC power supply, heating block and relay open contact after being connected in series with a 220V power supply terminal two, a movable housing is arranged on the inner side of the inner basin, the thermistor and the inner pot outside in close contact, a mica sheet between the heating block and the heat transfer of metal plate, heating block, heat transfer plate and mica sheet after fastening in close contact, heat transfer metal plate and the inner pot bottom. Contact. Because of adopting the technical proposal, the utility model has the advantages and the positive effects that the electric heating foot washing water is used, and the temperature is adjustable, and the temperature is in a constant temperature state, so that the utility model is convenient and practical.
【技术实现步骤摘要】
【技术保护点】
一种电热恒温洗脚器，２２０Ｖ电源通过变压器（Ｔ）、变压整流电路（Ｍ）整流和电容（Ｃ↓［２］）滤波后得到的直流电源向电路供电，发光二极管（Ｇ↓［２］）和电阻（Ｒ↓［５］）串联后接在直流电源二端，５５５集成电路（Ｉ）４脚和８脚接直流电源正极，５５５集成电路（Ｉ）１脚接直流电源负极，５５５集成电路（Ｉ）６脚和７脚相连后通过电阻（Ｒ↓［４］）与直流电源正极相连，通过电容（Ｃ↓［１］）与直流电源负极相连，外壳（１）上表面置有调节温度旋钮（３）、电源开关（Ｋ↓［１］）和发光二极管（Ｇ↓［２］），外壳（１）侧面置有２２０Ｖ电源输入端（４）和对称的内凹把手（５），其特征是：５５５集成电路（...
【技术特征摘要】
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