Temperature control device of electric cooker
A technology for temperature control devices and rice cookers, applied in heating devices, temperature control, non-electric variable control, etc., can solve problems such as enlarged faults, short service life, and shortened service life of electric cookers, so as to avoid man-made damage , cost reduction effect
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[0031] Such as figure 1 , figure 2 As shown, a temperature control device for an electric rice cooker includes, a power supply, a magnetic control switch 1 located in the pot, a heat preservation device connected in parallel with a group of contacts K-2 of the cooking and heat preservation switch K1 and the magnetic control switch 1 The device ST2 and the electric heating plate EH are located on the shell of the electric rice cooker and are provided with a controller 2 connected with the electric heating plate EH and the magnetic control switch 1 . Described controller 2 also can be located at the plug place of electric cooker power line. The controller 2 includes a power supply circuit 3, a transformer T, an integrated circuit IC, and a relay K. The power supply is connected to the primary phase of the transformer T through the power supply circuit 3. One end of the secondary side of the transformer T is grounded, and the other end is respectively connected to the relay thr...
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